63139375194 has 32 divisors (see below), whose sum is σ = 144401066880. Its totient is φ = 18029509632.

The previous prime is 63139375193. The next prime is 63139375213. The reversal of 63139375194 is 49157393136.

It is not an unprimeable number, because it can be changed into a prime (63139375193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 355159 + ... + 502410.

It is an arithmetic number, because the mean of its divisors is an integer number (4512533340).

Almost surely, 2^63139375194 is an apocalyptic number.

63139375194 is an abundant number, since it is smaller than the sum of its proper divisors (81261691686).

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

63139375194 is a wasteful number, since it uses less digits than its factorization.

63139375194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 859334.

The product of its digits is 1837080, while the sum is 51.

The spelling of 63139375194 in words is "sixty-three billion, one hundred thirty-nine million, three hundred seventy-five thousand, one hundred ninety-four".