9113791264 has 12 divisors (see below), whose sum is σ = 17942776614. Its totient is φ = 4556895616.

The previous prime is 9113791243. The next prime is 9113791279. The reversal of 9113791264 is 4621973119.

It can be written as a sum of positive squares in only one way, i.e., 4943214864 + 4170576400 = 70308^2 + 64580^2 .

It is a super-2 number, since 2×9113791264² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 9113791264.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 142402957 + ... + 142403020.

Almost surely, 2^9113791264 is an apocalyptic number.

It is an amenable number.

9113791264 is a deficient number, since it is larger than the sum of its proper divisors (8828985350).

9113791264 is a wasteful number, since it uses less digits than its factorization.

9113791264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284805987 (or 284805979 counting only the distinct ones).

The product of its digits is 81648, while the sum is 43.

The square root of 9113791264 is about 95466.1786393485. The cubic root of 9113791264 is about 2088.8136291749.

The spelling of 9113791264 in words is "nine billion, one hundred thirteen million, seven hundred ninety-one thousand, two hundred sixty-four".