747033978993 has 16 divisors (see below), whose sum is σ = 997230548160. Its totient is φ = 497430349056.

The previous prime is 747033978947. The next prime is 747033978997. The reversal of 747033978993 is 399879330747.

It is a de Polignac number, because none of the positive numbers 2^k-747033978993 is a prime.

It is a super-2 number, since 2×747033978993² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (747033978997) 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 15 ways as a sum of consecutive naturals, for example, 9846621 + ... + 9922197.

It is an arithmetic number, because the mean of its divisors is an integer number (62326909260).

Almost surely, 2^747033978993 is an apocalyptic number.

It is an amenable number.

747033978993 is a deficient number, since it is larger than the sum of its proper divisors (250196569167).

747033978993 is a wasteful number, since it uses less digits than its factorization.

747033978993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79456.

The product of its (nonzero) digits is 216040608, while the sum is 69.

The spelling of 747033978993 in words is "seven hundred forty-seven billion, thirty-three million, nine hundred seventy-eight thousand, nine hundred ninety-three".