64215452522604 has 24 divisors (see below), whose sum is σ = 151162038684720. Its totient is φ = 21215724726784.

The previous prime is 64215452522603. The next prime is 64215452522609. The reversal of 64215452522604 is 40622525451246.

It is not an unprimeable number, because it can be changed into a prime (64215452522603) 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, 23678262849 + ... + 23678265560.

It is an arithmetic number, because the mean of its divisors is an integer number (6298418278530).

Almost surely, 2^{64215452522604} is an apocalyptic number.

It is an amenable number.

64215452522604 is an abundant number, since it is smaller than the sum of its proper divisors (86946586162116).

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

64215452522604 is a wasteful number, since it uses less digits than its factorization.

64215452522604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47356528529 (or 47356528527 counting only the distinct ones).

The product of its (nonzero) digits is 4608000, while the sum is 48.

The spelling of 64215452522604 in words is "sixty-four trillion, two hundred fifteen billion, four hundred fifty-two million, five hundred twenty-two thousand, six hundred four".