9748457551504 has 45 divisors (see below), whose sum is σ = 21971529300297. Its totient is φ = 4177872912192.

The previous prime is 9748457551489. The next prime is 9748457551507. The reversal of 9748457551504 is 4051557548479.

It is a happy number.

The square root of 9748457551504 is 3122252.

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., 1453596745104 + 8294860806400 = 1205652^2 + 2880080^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9748457551507) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 87367302 + ... + 87478810.

Almost surely, 2^{9748457551504} is an apocalyptic number.

9748457551504 is the 3122252-nd square number.

It is an amenable number.

9748457551504 is an abundant number, since it is smaller than the sum of its proper divisors (12223071748793).

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

9748457551504 is an frugal number, since it uses more digits than its factorization.

9748457551504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223040 (or 111518 counting only the distinct ones).

The product of its (nonzero) digits is 141120000, while the sum is 64.

Multiplying 9748457551504 by its sum of digits (64), we get a square (623901283296256 = 24978016²).

The spelling of 9748457551504 in words is "nine trillion, seven hundred forty-eight billion, four hundred fifty-seven million, five hundred fifty-one thousand, five hundred four".