63305012564 has 12 divisors (see below), whose sum is σ = 112028534100. Its totient is φ = 31296859968.

The previous prime is 63305012461. The next prime is 63305012593. The reversal of 63305012564 is 46521050336.

It can be written as a sum of positive squares in 2 ways, for example, as 8475043600 + 54829968964 = 92060^2 + 234158^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88911179 + ... + 88911890.

It is an arithmetic number, because the mean of its divisors is an integer number (9335711175).

Almost surely, 2^63305012564 is an apocalyptic number.

It is an amenable number.

63305012564 is a deficient number, since it is larger than the sum of its proper divisors (48723521536).

63305012564 is a wasteful number, since it uses less digits than its factorization.

63305012564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177823162 (or 177823160 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 35.

The spelling of 63305012564 in words is "sixty-three billion, three hundred five million, twelve thousand, five hundred sixty-four".