63769946056641 has 24 divisors (see below), whose sum is σ = 100494543283680. Its totient is φ = 38645156894400.

The previous prime is 63769946056639. The next prime is 63769946056753. The reversal of 63769946056641 is 14665064996736.

63769946056641 is a `hidden beast` number, since 6 + 3 + 7 + 6 + 9 + 9 + 4 + 605 + 6 + 6 + 4 + 1 = 666.

It is not a de Polignac number, because 63769946056641 - 2¹ = 63769946056639 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 63769946056641.

It is not an unprimeable number, because it can be changed into a prime (63769946056541) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26293276 + ... + 28616013.

It is an arithmetic number, because the mean of its divisors is an integer number (4187272636820).

Almost surely, 2^{63769946056641} is an apocalyptic number.

It is an amenable number.

63769946056641 is a deficient number, since it is larger than the sum of its proper divisors (36724597227039).

63769946056641 is a wasteful number, since it uses less digits than its factorization.

63769946056641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54921037 (or 54921034 counting only the distinct ones).

The product of its (nonzero) digits is 1058158080, while the sum is 72.

The spelling of 63769946056641 in words is "sixty-three trillion, seven hundred sixty-nine billion, nine hundred forty-six million, fifty-six thousand, six hundred forty-one".