63894631002 has 32 divisors (see below), whose sum is σ = 139972017600. Its totient is φ = 19354153728.

The previous prime is 63894630997. The next prime is 63894631039. The reversal of 63894631002 is 20013649836.

63894631002 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10797352 + ... + 10803267.

It is an arithmetic number, because the mean of its divisors is an integer number (4374125550).

Almost surely, 2^63894631002 is an apocalyptic number.

63894631002 is an abundant number, since it is smaller than the sum of its proper divisors (76077386598).

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

63894631002 is a wasteful number, since it uses less digits than its factorization.

63894631002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21600670.

The product of its (nonzero) digits is 186624, while the sum is 42.

The spelling of 63894631002 in words is "sixty-three billion, eight hundred ninety-four million, six hundred thirty-one thousand, two".