749439934947 has 24 divisors (see below), whose sum is σ = 1185325792560. Its totient is φ = 452517506880.

The previous prime is 749439934883. The next prime is 749439934973.

749439934947 is a `hidden beast` number, since 7 + 4 + 9 + 43 + 9 + 93 + 494 + 7 = 666.

749439934947 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 749439934947 - 2⁶ = 749439934883 is a prime.

It is not an unprimeable number, because it can be changed into a prime (749439934147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14044188 + ... + 14097449.

It is an arithmetic number, because the mean of its divisors is an integer number (49388574690).

Almost surely, 2^749439934947 is an apocalyptic number.

749439934947 is a deficient number, since it is larger than the sum of its proper divisors (435885857613).

749439934947 is a wasteful number, since it uses less digits than its factorization.

749439934947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28141923 (or 28141920 counting only the distinct ones).

The product of its digits is 740710656, while the sum is 72.

The spelling of 749439934947 in words is "seven hundred forty-nine billion, four hundred thirty-nine million, nine hundred thirty-four thousand, nine hundred forty-seven".