63745254736 has 60 divisors (see below), whose sum is σ = 126819491292. Its totient is φ = 31036800000.

The previous prime is 63745254701. The next prime is 63745254737.

63745254736 is nontrivially palindromic in base 10.

63745254736 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 822542400 + 62922712336 = 28680^2 + 250844^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63745254737) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6007836 + ... + 6018436.

Almost surely, 2^63745254736 is an apocalyptic number.

It is an amenable number.

63745254736 is a deficient number, since it is larger than the sum of its proper divisors (63074236556).

63745254736 is a wasteful number, since it uses less digits than its factorization.

63745254736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10832 (or 10765 counting only the distinct ones).

The product of its digits is 12700800, while the sum is 52.

The spelling of 63745254736 in words is "sixty-three billion, seven hundred forty-five million, two hundred fifty-four thousand, seven hundred thirty-six".