753971445664 has 48 divisors (see below), whose sum is σ = 1508751106632. Its totient is φ = 370824265728.

The previous prime is 753971445587. The next prime is 753971445707. The reversal of 753971445664 is 466544179357.

It can be written as a sum of positive squares in 4 ways, for example, as 526919195664 + 227052250000 = 725892^2 + 476500^2 .

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, 438672 + ... + 1303984.

Almost surely, 2^753971445664 is an apocalyptic number.

It is an amenable number.

753971445664 is an abundant number, since it is smaller than the sum of its proper divisors (754779660968).

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

753971445664 is a wasteful number, since it uses less digits than its factorization.

753971445664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 865769 (or 865761 counting only the distinct ones).

The product of its digits is 76204800, while the sum is 61.

The spelling of 753971445664 in words is "seven hundred fifty-three billion, nine hundred seventy-one million, four hundred forty-five thousand, six hundred sixty-four".