63976249016 has 16 divisors (see below), whose sum is σ = 120226253400. Its totient is φ = 31915914784.

The previous prime is 63976249009. The next prime is 63976249021. The reversal of 63976249016 is 61094267936.

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 3 ways as a sum of consecutive naturals, for example, 9022451 + ... + 9029538.

Almost surely, 2^63976249016 is an apocalyptic number.

It is an amenable number.

63976249016 is a deficient number, since it is larger than the sum of its proper divisors (56250004384).

63976249016 is a wasteful number, since it uses less digits than its factorization.

63976249016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18052438 (or 18052434 counting only the distinct ones).

The product of its (nonzero) digits is 2939328, while the sum is 53.

The spelling of 63976249016 in words is "sixty-three billion, nine hundred seventy-six million, two hundred forty-nine thousand, sixteen".