63764046736 has 20 divisors (see below), whose sum is σ = 133046136412. Its totient is φ = 29429559936.

The previous prime is 63764046733. The next prime is 63764046737.

63764046736 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 3029401600 + 60734645136 = 55040^2 + 246444^2 .

It is a Harshad number since it is a multiple of its sum of digits (52).

It is not an unprimeable number, because it can be changed into a prime (63764046733) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 153278751 + ... + 153279166.

Almost surely, 2^63764046736 is an apocalyptic number.

It is an amenable number.

63764046736 is an abundant number, since it is smaller than the sum of its proper divisors (69282089676).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

63764046736 is a wasteful number, since it uses less digits than its factorization.

63764046736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306557938 (or 306557932 counting only the distinct ones).

The product of its (nonzero) digits is 9144576, while the sum is 52.

The spelling of 63764046736 in words is "sixty-three billion, seven hundred sixty-four million, forty-six thousand, seven hundred thirty-six".