63495007758972 has 48 divisors (see below), whose sum is σ = 164931441588480. Its totient is φ = 21124534111344.

The previous prime is 63495007758961. The next prime is 63495007758997. The reversal of 63495007758972 is 27985770059436.

63495007758972 is a `hidden beast` number, since 6 + 3 + 49 + 500 + 7 + 7 + 5 + 8 + 9 + 72 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 63495007758972.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 562005408 + ... + 562118375.

It is an arithmetic number, because the mean of its divisors is an integer number (3436071699760).

Almost surely, 2^{63495007758972} is an apocalyptic number.

It is an amenable number.

63495007758972 is an abundant number, since it is smaller than the sum of its proper divisors (101436433829508).

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

63495007758972 is a wasteful number, since it uses less digits than its factorization.

63495007758972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1124124319 (or 1124124311 counting only the distinct ones).

The product of its (nonzero) digits is 800150400, while the sum is 72.

The spelling of 63495007758972 in words is "sixty-three trillion, four hundred ninety-five billion, seven million, seven hundred fifty-eight thousand, nine hundred seventy-two".