749893232646 has 12 divisors (see below), whose sum is σ = 1624768670772. Its totient is φ = 249964410876.

The previous prime is 749893232617. The next prime is 749893232687. The reversal of 749893232646 is 646232398947.

749893232646 is a `hidden beast` number, since 7 + 49 + 8 + 9 + 323 + 264 + 6 = 666.

It is a super-2 number, since 2×749893232646² (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 5 ways as a sum of consecutive naturals, for example, 20830367556 + ... + 20830367591.

It is an arithmetic number, because the mean of its divisors is an integer number (135397389231).

Almost surely, 2^749893232646 is an apocalyptic number.

749893232646 is an abundant number, since it is smaller than the sum of its proper divisors (874875438126).

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

749893232646 is a wasteful number, since it uses less digits than its factorization.

749893232646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41660735155 (or 41660735152 counting only the distinct ones).

The product of its digits is 94058496, while the sum is 63.

The spelling of 749893232646 in words is "seven hundred forty-nine billion, eight hundred ninety-three million, two hundred thirty-two thousand, six hundred forty-six".