15789932964 has 189 divisors, whose sum is σ = 45113685393. Its totient is φ = 4831298784.

The previous prime is 15789932941. The next prime is 15789933011. The reversal of 15789932964 is 46923998751.

The square root of 15789932964 is 125658.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 2335788900 + 13454144064 = 48330^2 + 115992^2 .

It is a super-2 number, since 2×15789932964² (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 62 ways as a sum of consecutive naturals, for example, 88211827 + ... + 88212005.

Almost surely, 2^15789932964 is an apocalyptic number.

15789932964 is the 125658-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15789932964

15789932964 is an abundant number, since it is smaller than the sum of its proper divisors (29323752429).

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

15789932964 is an equidigital number, since it uses as much as digits as its factorization.

15789932964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406 (or 197 counting only the distinct ones).

The product of its digits is 29393280, while the sum is 63.

It can be divided in two parts, 15789 and 932964, that added together give a triangular number (948753 = T₁₃₇₇).

The spelling of 15789932964 in words is "fifteen billion, seven hundred eighty-nine million, nine hundred thirty-two thousand, nine hundred sixty-four".