712164650464 has 48 divisors (see below), whose sum is σ = 1426007222640. Its totient is φ = 350005519360.

The previous prime is 712164650389. The next prime is 712164650507. The reversal of 712164650464 is 464056461217.

It is a happy number.

It is a super-2 number, since 2×712164650464² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21266694 + ... + 21300154.

It is an arithmetic number, because the mean of its divisors is an integer number (29708483805).

Almost surely, 2^712164650464 is an apocalyptic number.

It is an amenable number.

712164650464 is an abundant number, since it is smaller than the sum of its proper divisors (713842572176).

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

712164650464 is a wasteful number, since it uses less digits than its factorization.

712164650464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44803 (or 44795 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 46.

The spelling of 712164650464 in words is "seven hundred twelve billion, one hundred sixty-four million, six hundred fifty thousand, four hundred sixty-four".