745917391464 has 32 divisors (see below), whose sum is σ = 2131192547520. Its totient is φ = 213119254656.

The previous prime is 745917391403. The next prime is 745917391493. The reversal of 745917391464 is 464193719547.

It is a junction number, because it is equal to n+sod(n) for n = 745917391398 and 745917391407.

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, 2219992069 + ... + 2219992404.

It is an arithmetic number, because the mean of its divisors is an integer number (66599767110).

Almost surely, 2^745917391464 is an apocalyptic number.

It is an amenable number.

745917391464 is an abundant number, since it is smaller than the sum of its proper divisors (1385275156056).

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

745917391464 is a wasteful number, since it uses less digits than its factorization.

745917391464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4439984489 (or 4439984485 counting only the distinct ones).

The product of its digits is 22861440, while the sum is 60.

The spelling of 745917391464 in words is "seven hundred forty-five billion, nine hundred seventeen million, three hundred ninety-one thousand, four hundred sixty-four".