63264387738 has 16 divisors (see below), whose sum is σ = 127096171776. Its totient is φ = 20993563200.

The previous prime is 63264387721. The next prime is 63264387749. The reversal of 63264387738 is 83778346236.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23640063 + ... + 23642738.

It is an arithmetic number, because the mean of its divisors is an integer number (7943510736).

Almost surely, 2^63264387738 is an apocalyptic number.

63264387738 is an abundant number, since it is smaller than the sum of its proper divisors (63831784038).

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

63264387738 is a wasteful number, since it uses less digits than its factorization.

63264387738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47283029.

The product of its digits is 24385536, while the sum is 57.

The spelling of 63264387738 in words is "sixty-three billion, two hundred sixty-four million, three hundred eighty-seven thousand, seven hundred thirty-eight".