10521843948 has 360 divisors, whose sum is σ = 36077158656. Its totient is φ = 2612554560.

The previous prime is 10521843931. The next prime is 10521843989. The reversal of 10521843948 is 84934812501.

10521843948 is a `hidden beast` number, since 1 + 0 + 521 + 84 + 3 + 9 + 48 = 666.

10521843948 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 2×10521843948² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

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 119 ways as a sum of consecutive naturals, for example, 6311011 + ... + 6312677.

Almost surely, 2^10521843948 is an apocalyptic number.

10521843948 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10521843948, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18038579328).

10521843948 is an abundant number, since it is smaller than the sum of its proper divisors (25555314708).

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

10521843948 is a wasteful number, since it uses less digits than its factorization.

10521843948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1735 (or 1713 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 45.

The spelling of 10521843948 in words is "ten billion, five hundred twenty-one million, eight hundred forty-three thousand, nine hundred forty-eight".