63139893136 has 10 divisors (see below), whose sum is σ = 122333542982. Its totient is φ = 31569946560.

The previous prime is 63139893083. The next prime is 63139893161.

63139893136 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in only one way, i.e., 32451860736 + 30688032400 = 180144^2 + 175180^2 .

It is a super-2 number, since 2×63139893136² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1973121645 + ... + 1973121676.

Almost surely, 2^63139893136 is an apocalyptic number.

It is an amenable number.

63139893136 is a deficient number, since it is larger than the sum of its proper divisors (59193649846).

63139893136 is a wasteful number, since it uses less digits than its factorization.

63139893136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3946243329 (or 3946243323 counting only the distinct ones).

The product of its digits is 1889568, while the sum is 52.

The spelling of 63139893136 in words is "sixty-three billion, one hundred thirty-nine million, eight hundred ninety-three thousand, one hundred thirty-six".