63190915579791 has 8 divisors (see below), whose sum is σ = 93616171229360. Its totient is φ = 42127277053176.

The previous prime is 63190915579751. The next prime is 63190915579819. The reversal of 63190915579791 is 19797551909136.

63190915579791 is a `hidden beast` number, since 6 + 31 + 9 + 0 + 9 + 15 + 579 + 7 + 9 + 1 = 666.

It is not a de Polignac number, because 63190915579791 - 2⁷ = 63190915579663 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63190915579741) 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, 1170202140340 + ... + 1170202140393.

It is an arithmetic number, because the mean of its divisors is an integer number (11702021403670).

Almost surely, 2^{63190915579791} is an apocalyptic number.

63190915579791 is a deficient number, since it is larger than the sum of its proper divisors (30425255649569).

63190915579791 is a wasteful number, since it uses less digits than its factorization.

63190915579791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2340404280742 (or 2340404280736 counting only the distinct ones).

The product of its (nonzero) digits is 144670050, while the sum is 72.

The spelling of 63190915579791 in words is "sixty-three trillion, one hundred ninety billion, nine hundred fifteen million, five hundred seventy-nine thousand, seven hundred ninety-one".