749139398384 has 40 divisors (see below), whose sum is σ = 1588732918752. Its totient is φ = 340088497920.

The previous prime is 749139398369. The next prime is 749139398437. The reversal of 749139398384 is 483893931947.

It is a super-2 number, since 2×749139398384² (a number of 25 digits) contains 22 as substring.

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, 29508884 + ... + 29534259.

Almost surely, 2^749139398384 is an apocalyptic number.

It is an amenable number.

749139398384 is an abundant number, since it is smaller than the sum of its proper divisors (839593520368).

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

749139398384 is a wasteful number, since it uses less digits than its factorization.

749139398384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59043225 (or 59043219 counting only the distinct ones).

The product of its digits is 141087744, while the sum is 68.

The spelling of 749139398384 in words is "seven hundred forty-nine billion, one hundred thirty-nine million, three hundred ninety-eight thousand, three hundred eighty-four".