10450523985 has 32 divisors (see below), whose sum is σ = 19313914752. Its totient is φ = 4768865280.

The previous prime is 10450523983. The next prime is 10450524011. The reversal of 10450523985 is 58932505401.

It is not a de Polignac number, because 10450523985 - 2¹ = 10450523983 is a prime.

It is a super-2 number, since 2×10450523985² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (10450523983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1860034 + ... + 1865643.

It is an arithmetic number, because the mean of its divisors is an integer number (603559836).

Almost surely, 2^10450523985 is an apocalyptic number.

10450523985 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10450523985 is a deficient number, since it is larger than the sum of its proper divisors (8863390767).

10450523985 is a wasteful number, since it uses less digits than its factorization.

10450523985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3725713.

The product of its (nonzero) digits is 216000, while the sum is 42.

It can be divided in two parts, 10450 and 523985, that added together give a palindrome (534435).

The spelling of 10450523985 in words is "ten billion, four hundred fifty million, five hundred twenty-three thousand, nine hundred eighty-five".