63041976697 has 6 divisors (see below), whose sum is σ = 73334544378. Its totient is φ = 54035979984.

The previous prime is 63041976671. The next prime is 63041976709. The reversal of 63041976697 is 79667914036.

It can be written as a sum of positive squares in only one way, i.e., 31944770361 + 31097206336 = 178731^2 + 176344^2 .

It is a de Polignac number, because none of the positive numbers 2^k-63041976697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63041973697) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 643285428 + ... + 643285525.

It is an arithmetic number, because the mean of its divisors is an integer number (12222424063).

Almost surely, 2^63041976697 is an apocalyptic number.

It is an amenable number.

63041976697 is a deficient number, since it is larger than the sum of its proper divisors (10292567681).

63041976697 is a wasteful number, since it uses less digits than its factorization.

63041976697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1286570967 (or 1286570960 counting only the distinct ones).

The product of its (nonzero) digits is 10287648, while the sum is 58.

The spelling of 63041976697 in words is "sixty-three billion, forty-one million, nine hundred seventy-six thousand, six hundred ninety-seven".