63678514492 has 6 divisors (see below), whose sum is σ = 111437400368. Its totient is φ = 31839257244.

The previous prime is 63678514483. The next prime is 63678514519. The reversal of 63678514492 is 29441587636.

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 as a sum of consecutive naturals, namely, 7959814308 + ... + 7959814315.

Almost surely, 2^63678514492 is an apocalyptic number.

It is an amenable number.

63678514492 is a deficient number, since it is larger than the sum of its proper divisors (47758885876).

63678514492 is a wasteful number, since it uses less digits than its factorization.

63678514492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15919628627 (or 15919628625 counting only the distinct ones).

The product of its digits is 8709120, while the sum is 55.

The spelling of 63678514492 in words is "sixty-three billion, six hundred seventy-eight million, five hundred fourteen thousand, four hundred ninety-two".