64522476585863 has 4 divisors (see below), whose sum is σ = 64524737625600. Its totient is φ = 64520215546128.

The previous prime is 64522476585859. The next prime is 64522476585881. The reversal of 64522476585863 is 36858567422546.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 64522476585863 - 2² = 64522476585859 is a prime.

It is a super-2 number, since 2×64522476585863² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64522476585823) 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, 1130477063 + ... + 1130534136.

It is an arithmetic number, because the mean of its divisors is an integer number (16131184406400).

Almost surely, 2^{64522476585863} is an apocalyptic number.

64522476585863 is a deficient number, since it is larger than the sum of its proper divisors (2261039737).

64522476585863 is a wasteful number, since it uses less digits than its factorization.

64522476585863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2261039736.

The product of its digits is 2322432000, while the sum is 71.

The spelling of 64522476585863 in words is "sixty-four trillion, five hundred twenty-two billion, four hundred seventy-six million, five hundred eighty-five thousand, eight hundred sixty-three".