63804556342472 has 32 divisors (see below), whose sum is σ = 138186338605920. Its totient is φ = 27296066883840.

The previous prime is 63804556342451. The next prime is 63804556342577. The reversal of 63804556342472 is 27424365540836.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21325050758 + ... + 21325053749.

It is an arithmetic number, because the mean of its divisors is an integer number (4318323081435).

Almost surely, 2^{63804556342472} is an apocalyptic number.

It is an amenable number.

63804556342472 is an abundant number, since it is smaller than the sum of its proper divisors (74381782263448).

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

63804556342472 is a wasteful number, since it uses less digits than its factorization.

63804556342472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42650104541 (or 42650104537 counting only the distinct ones).

The product of its (nonzero) digits is 116121600, while the sum is 59.

The spelling of 63804556342472 in words is "sixty-three trillion, eight hundred four billion, five hundred fifty-six million, three hundred forty-two thousand, four hundred seventy-two".