63812056826 has 64 divisors (see below), whose sum is σ = 116286720000. Its totient is φ = 26222071680.

The previous prime is 63812056823. The next prime is 63812056849. The reversal of 63812056826 is 62865021836.

It is not an unprimeable number, because it can be changed into a prime (63812056823) 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, 2304230 + ... + 2331758.

It is an arithmetic number, because the mean of its divisors is an integer number (1816980000).

Almost surely, 2^63812056826 is an apocalyptic number.

63812056826 is a deficient number, since it is larger than the sum of its proper divisors (52474663174).

63812056826 is a wasteful number, since it uses less digits than its factorization.

63812056826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27692 (or 27678 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 47.

The spelling of 63812056826 in words is "sixty-three billion, eight hundred twelve million, fifty-six thousand, eight hundred twenty-six".