63191937630942 has 12 divisors (see below), whose sum is σ = 136915864867080. Its totient is φ = 21063979210308.

The previous prime is 63191937630937. The next prime is 63191937630953. The reversal of 63191937630942 is 24903673919136.

63191937630942 is a `hidden beast` number, since 6 + 3 + 191 + 9 + 376 + 30 + 9 + 42 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 63191937630942.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1755331600842 + ... + 1755331600877.

It is an arithmetic number, because the mean of its divisors is an integer number (11409655405590).

Almost surely, 2^{63191937630942} is an apocalyptic number.

63191937630942 is an abundant number, since it is smaller than the sum of its proper divisors (73723927236138).

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

63191937630942 is a wasteful number, since it uses less digits than its factorization.

63191937630942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3510663201727 (or 3510663201724 counting only the distinct ones).

The product of its (nonzero) digits is 39680928, while the sum is 63.

The spelling of 63191937630942 in words is "sixty-three trillion, one hundred ninety-one billion, nine hundred thirty-seven million, six hundred thirty thousand, nine hundred forty-two".