63631079773893 has 36 divisors (see below), whose sum is σ = 95688592466688. Its totient is φ = 40743496022880.

The previous prime is 63631079773879. The next prime is 63631079773903. The reversal of 63631079773893 is 39837797013636.

63631079773893 is a `hidden beast` number, since 6 + 363 + 10 + 79 + 77 + 38 + 93 = 666.

It is not a de Polignac number, because 63631079773893 - 2⁵ = 63631079773861 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63631079773873) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 20561655 + ... + 23453012.

It is an arithmetic number, because the mean of its divisors is an integer number (2658016457408).

Almost surely, 2^{63631079773893} is an apocalyptic number.

It is an amenable number.

63631079773893 is a deficient number, since it is larger than the sum of its proper divisors (32057512692795).

63631079773893 is a wasteful number, since it uses less digits than its factorization.

63631079773893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44014922 (or 44014890 counting only the distinct ones).

The product of its (nonzero) digits is 648121824, while the sum is 72.

The spelling of 63631079773893 in words is "sixty-three trillion, six hundred thirty-one billion, seventy-nine million, seven hundred seventy-three thousand, eight hundred ninety-three".