10539689664 has 56 divisors (see below), whose sum is σ = 31870018048. Its totient is φ = 3011339520.

The previous prime is 10539689627. The next prime is 10539689701. The reversal of 10539689664 is 46698693501.

It is an interprime number because it is at equal distance from previous prime (10539689627) and next prime (10539689701).

It is a tau number, because it is divible by the number of its divisors (56).

It is a super-2 number, since 2×10539689664² (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, 3919672 + ... + 3922359.

Almost surely, 2^10539689664 is an apocalyptic number.

10539689664 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

10539689664 is an abundant number, since it is smaller than the sum of its proper divisors (21330328384).

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

10539689664 is an equidigital number, since it uses as much as digits as its factorization.

10539689664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7842053 (or 7842043 counting only the distinct ones).

The product of its (nonzero) digits is 8398080, while the sum is 57.

The spelling of 10539689664 in words is "ten billion, five hundred thirty-nine million, six hundred eighty-nine thousand, six hundred sixty-four".