9723744997264 has 15 divisors (see below), whose sum is σ = 18839780098993. Its totient is φ = 4861866262048.

The previous prime is 9723744997223. The next prime is 9723744997271. The reversal of 9723744997264 is 4627994473279.

The square root of 9723744997264 is 3118292.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 590100512400 + 9133644484864 = 768180^2 + 3022192^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 12083382 + ... + 12862954.

Almost surely, 2^{9723744997264} is an apocalyptic number.

9723744997264 is the 3118292-nd square number.

It is an amenable number.

9723744997264 is a deficient number, since it is larger than the sum of its proper divisors (9116035101729).

9723744997264 is an frugal number, since it uses more digits than its factorization.

9723744997264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1559154 (or 779575 counting only the distinct ones).

The product of its digits is 1152216576, while the sum is 73.

The spelling of 9723744997264 in words is "nine trillion, seven hundred twenty-three billion, seven hundred forty-four million, nine hundred ninety-seven thousand, two hundred sixty-four".