64718365413 has 8 divisors (see below), whose sum is σ = 92928935008. Its totient is φ = 39826686384.

The previous prime is 64718365409. The next prime is 64718365433. The reversal of 64718365413 is 31456381746.

It is a happy number.

64718365413 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 64718365413 - 2² = 64718365409 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64718365403) 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, 829722595 + ... + 829722672.

It is an arithmetic number, because the mean of its divisors is an integer number (11616116876).

Almost surely, 2^64718365413 is an apocalyptic number.

It is an amenable number.

64718365413 is a deficient number, since it is larger than the sum of its proper divisors (28210569595).

64718365413 is a wasteful number, since it uses less digits than its factorization.

64718365413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1659445283.

The product of its digits is 1451520, while the sum is 48.

The spelling of 64718365413 in words is "sixty-four billion, seven hundred eighteen million, three hundred sixty-five thousand, four hundred thirteen".