10521344972 has 24 divisors (see below), whose sum is σ = 18565747200. Its totient is φ = 5216883840.

The previous prime is 10521344923. The next prime is 10521344987. The reversal of 10521344972 is 27944312501.

It is a super-2 number, since 2×10521344972² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1795904 + ... + 1801752.

It is an arithmetic number, because the mean of its divisors is an integer number (773572800).

Almost surely, 2^10521344972 is an apocalyptic number.

It is an amenable number.

10521344972 is a deficient number, since it is larger than the sum of its proper divisors (8044402228).

10521344972 is a wasteful number, since it uses less digits than its factorization.

10521344972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9521 (or 9519 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 38.

The spelling of 10521344972 in words is "ten billion, five hundred twenty-one million, three hundred forty-four thousand, nine hundred seventy-two".