15797639270 has 64 divisors (see below), whose sum is σ = 32864400000. Its totient is φ = 5355417600.

The previous prime is 15797639269. The next prime is 15797639293. The reversal of 15797639270 is 7293679751.

It is a super-2 number, since 2×15797639270² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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, 8829536 + ... + 8831324.

It is an arithmetic number, because the mean of its divisors is an integer number (513506250).

Almost surely, 2^15797639270 is an apocalyptic number.

15797639270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

15797639270 is an abundant number, since it is smaller than the sum of its proper divisors (17066760730).

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

15797639270 is a wasteful number, since it uses less digits than its factorization.

15797639270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3153.

The product of its (nonzero) digits is 5000940, while the sum is 56.

The spelling of 15797639270 in words is "fifteen billion, seven hundred ninety-seven million, six hundred thirty-nine thousand, two hundred seventy".