63426266056 has 8 divisors (see below), whose sum is σ = 118924248870. Its totient is φ = 31713133024.

The previous prime is 63426266039. The next prime is 63426266069. The reversal of 63426266056 is 65066262436.

It can be written as a sum of positive squares in only one way, i.e., 56090343556 + 7335922500 = 236834^2 + 85650^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 63426265997 and 63426266015.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3964141621 + ... + 3964141636.

Almost surely, 2^63426266056 is an apocalyptic number.

It is an amenable number.

63426266056 is a deficient number, since it is larger than the sum of its proper divisors (55497982814).

63426266056 is a wasteful number, since it uses less digits than its factorization.

63426266056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7928283263 (or 7928283259 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 46.

The spelling of 63426266056 in words is "sixty-three billion, four hundred twenty-six million, two hundred sixty-six thousand, fifty-six".