9913515272 has 16 divisors (see below), whose sum is σ = 18589074000. Its totient is φ = 4956428880.

The previous prime is 9913515257. The next prime is 9913515299. The reversal of 9913515272 is 2725153199.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 127979 + ... + 190277.

It is an arithmetic number, because the mean of its divisors is an integer number (1161817125).

Almost surely, 2^9913515272 is an apocalyptic number.

It is an amenable number.

9913515272 is a deficient number, since it is larger than the sum of its proper divisors (8675558728).

9913515272 is a wasteful number, since it uses less digits than its factorization.

9913515272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82196 (or 82192 counting only the distinct ones).

The product of its digits is 170100, while the sum is 44.

The square root of 9913515272 is about 99566.6373440421. The cubic root of 9913515272 is about 2148.2058420918.

The spelling of 9913515272 in words is "nine billion, nine hundred thirteen million, five hundred fifteen thousand, two hundred seventy-two".