9640261364 has 24 divisors (see below), whose sum is σ = 16913664768. Its totient is φ = 4807804320.

The previous prime is 9640261313. The next prime is 9640261373. The reversal of 9640261364 is 4631620469.

It is a super-2 number, since 2×9640261364² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3578402 + ... + 3581094.

It is an arithmetic number, because the mean of its divisors is an integer number (704736032).

Almost surely, 2^9640261364 is an apocalyptic number.

It is an amenable number.

9640261364 is a deficient number, since it is larger than the sum of its proper divisors (7273403404).

9640261364 is a wasteful number, since it uses less digits than its factorization.

9640261364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4655 (or 4653 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 41.

The square root of 9640261364 is about 98184.8326575953. The cubic root of 9640261364 is about 2128.2841114082.

The spelling of 9640261364 in words is "nine billion, six hundred forty million, two hundred sixty-one thousand, three hundred sixty-four".