64313312143615 has 8 divisors (see below), whose sum is σ = 77229309739680. Its totient is φ = 51415092936672.

The previous prime is 64313312143601. The next prime is 64313312143681. The reversal of 64313312143615 is 51634121331346.

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

It is a cyclic number.

It is not a de Polignac number, because 64313312143615 - 2³¹ = 64311164659967 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4444589320 + ... + 4444603789.

It is an arithmetic number, because the mean of its divisors is an integer number (9653663717460).

Almost surely, 2^{64313312143615} is an apocalyptic number.

64313312143615 is a deficient number, since it is larger than the sum of its proper divisors (12915997596065).

64313312143615 is a wasteful number, since it uses less digits than its factorization.

64313312143615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8889194561.

The product of its digits is 466560, while the sum is 43.

The spelling of 64313312143615 in words is "sixty-four trillion, three hundred thirteen billion, three hundred twelve million, one hundred forty-three thousand, six hundred fifteen".