64313532374673 has 8 divisors (see below), whose sum is σ = 85751447561248. Its totient is φ = 42875652718944.

The previous prime is 64313532374657. The next prime is 64313532374677. The reversal of 64313532374673 is 37647323531346.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 64313532374673 - 2⁴ = 64313532374657 is a prime.

It is a super-2 number, since 2×64313532374673² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64313532374677) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4325140 + ... + 12138117.

It is an arithmetic number, because the mean of its divisors is an integer number (10718930945156).

Almost surely, 2^{64313532374673} is an apocalyptic number.

It is an amenable number.

64313532374673 is a deficient number, since it is larger than the sum of its proper divisors (21437915186575).

64313532374673 is a wasteful number, since it uses less digits than its factorization.

64313532374673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17765423.

The product of its digits is 68584320, while the sum is 57.

The spelling of 64313532374673 in words is "sixty-four trillion, three hundred thirteen billion, five hundred thirty-two million, three hundred seventy-four thousand, six hundred seventy-three".