63419911641 has 12 divisors (see below), whose sum is σ = 92327852032. Its totient is φ = 41947027416.

The previous prime is 63419911637. The next prime is 63419911657. The reversal of 63419911641 is 14611991436.

63419911641 is a `hidden beast` number, since 634 + 1 + 9 + 9 + 1 + 1 + 6 + 4 + 1 = 666.

It is not a de Polignac number, because 63419911641 - 2² = 63419911637 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63419911601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27741601 + ... + 27743886.

Almost surely, 2^63419911641 is an apocalyptic number.

It is an amenable number.

63419911641 is a deficient number, since it is larger than the sum of its proper divisors (28907940391).

63419911641 is a wasteful number, since it uses less digits than its factorization.

63419911641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55485620 (or 55485617 counting only the distinct ones).

The product of its digits is 139968, while the sum is 45.

The spelling of 63419911641 in words is "sixty-three billion, four hundred nineteen million, nine hundred eleven thousand, six hundred forty-one".