9698764640 has 48 divisors (see below), whose sum is σ = 23703457680. Its totient is φ = 3745728000.

The previous prime is 9698764633. The next prime is 9698764657. The reversal of 9698764640 is 464678969.

It is a super-2 number, since 2×9698764640² (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 9698764640.

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, 1040486 + ... + 1049765.

It is an arithmetic number, because the mean of its divisors is an integer number (493822035).

Almost surely, 2^9698764640 is an apocalyptic number.

It is an amenable number.

9698764640 is an abundant number, since it is smaller than the sum of its proper divisors (14004693040).

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

9698764640 is a wasteful number, since it uses less digits than its factorization.

9698764640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2090295 (or 2090287 counting only the distinct ones).

The product of its (nonzero) digits is 15676416, while the sum is 59.

The square root of 9698764640 is about 98482.3062280733. The cubic root of 9698764640 is about 2132.5806950045.

The spelling of 9698764640 in words is "nine billion, six hundred ninety-eight million, seven hundred sixty-four thousand, six hundred forty".