63890206264 has 32 divisors (see below), whose sum is σ = 120238992720. Its totient is φ = 31826589696.

The previous prime is 63890206253. The next prime is 63890206279. The reversal of 63890206264 is 46260209836.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5352607 + ... + 5364529.

Almost surely, 2^63890206264 is an apocalyptic number.

It is an amenable number.

63890206264 is a deficient number, since it is larger than the sum of its proper divisors (56348786456).

63890206264 is a wasteful number, since it uses less digits than its factorization.

63890206264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14359 (or 14355 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 46.

The spelling of 63890206264 in words is "sixty-three billion, eight hundred ninety million, two hundred six thousand, two hundred sixty-four".