63634420432054 has 64 divisors (see below), whose sum is σ = 100402183627200. Its totient is φ = 30208231872000.

The previous prime is 63634420432001. The next prime is 63634420432057. The reversal of 63634420432054 is 45023402443636.

It is a junction number, because it is equal to n+sod(n) for n = 63634420431995 and 63634420432013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63634420432057) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2151177544 + ... + 2151207124.

It is an arithmetic number, because the mean of its divisors is an integer number (1568784119175).

Almost surely, 2^{63634420432054} is an apocalyptic number.

63634420432054 is a deficient number, since it is larger than the sum of its proper divisors (36767763195146).

63634420432054 is a wasteful number, since it uses less digits than its factorization.

63634420432054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32209.

The product of its (nonzero) digits is 4976640, while the sum is 46.

The spelling of 63634420432054 in words is "sixty-three trillion, six hundred thirty-four billion, four hundred twenty million, four hundred thirty-two thousand, fifty-four".