64316712724997 has 4 divisors (see below), whose sum is σ = 64906774309740. Its totient is φ = 63726651140256.

The previous prime is 64316712724987. The next prime is 64316712725003. The reversal of 64316712724997 is 79942721761346.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 54246156309601 + 10070556415396 = 7365199^2 + 3173414^2 .

It is a cyclic number.

It is not a de Polignac number, because 64316712724997 - 2⁴ = 64316712724981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64316712724987) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 295030792208 + ... + 295030792425.

It is an arithmetic number, because the mean of its divisors is an integer number (16226693577435).

Almost surely, 2^{64316712724997} is an apocalyptic number.

It is an amenable number.

64316712724997 is a deficient number, since it is larger than the sum of its proper divisors (590061584743).

64316712724997 is a wasteful number, since it uses less digits than its factorization.

64316712724997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 590061584742.

The product of its digits is 192036096, while the sum is 68.

The spelling of 64316712724997 in words is "sixty-four trillion, three hundred sixteen billion, seven hundred twelve million, seven hundred twenty-four thousand, nine hundred ninety-seven".