15396982988 has 12 divisors (see below), whose sum is σ = 27019777680. Its totient is φ = 7677046512.

The previous prime is 15396982987. The next prime is 15396982999. The reversal of 15396982988 is 88928969351.

It is a super-2 number, since 2×15396982988² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (15396982987) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5359631 + ... + 5362502.

It is an arithmetic number, because the mean of its divisors is an integer number (2251648140).

Almost surely, 2^15396982988 is an apocalyptic number.

It is an amenable number.

15396982988 is a deficient number, since it is larger than the sum of its proper divisors (11622794692).

15396982988 is a wasteful number, since it uses less digits than its factorization.

15396982988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10722496 (or 10722494 counting only the distinct ones).

The product of its digits is 67184640, while the sum is 68.

The spelling of 15396982988 in words is "fifteen billion, three hundred ninety-six million, nine hundred eighty-two thousand, nine hundred eighty-eight".