10539657450 has 432 divisors, whose sum is σ = 36042050304. Its totient is φ = 2191795200.

The previous prime is 10539657449. The next prime is 10539657463. The reversal of 10539657450 is 5475693501.

10539657450 is a `hidden beast` number, since 1 + 0 + 539 + 65 + 7 + 4 + 50 = 666.

10539657450 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×10539657450² (a number of 21 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 10539657396 and 10539657405.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 215 ways as a sum of consecutive naturals, for example, 11619897 + ... + 11620803.

It is an arithmetic number, because the mean of its divisors is an integer number (83430672).

Almost surely, 2^10539657450 is an apocalyptic number.

10539657450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 10539657450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18021025152).

10539657450 is an abundant number, since it is smaller than the sum of its proper divisors (25502392854).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10539657450 is a wasteful number, since it uses less digits than its factorization.

10539657450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 987 (or 972 counting only the distinct ones).

The product of its (nonzero) digits is 567000, while the sum is 45.

The spelling of 10539657450 in words is "ten billion, five hundred thirty-nine million, six hundred fifty-seven thousand, four hundred fifty".