63139374831 has 8 divisors (see below), whose sum is σ = 90661666480. Its totient is φ = 38854999872.

The previous prime is 63139374821. The next prime is 63139374889. The reversal of 63139374831 is 13847393136.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 63139374831 - 2¹³ = 63139366639 is a prime.

It is a super-2 number, since 2×63139374831² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63139374821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 809479126 + ... + 809479203.

It is an arithmetic number, because the mean of its divisors is an integer number (11332708310).

Almost surely, 2^63139374831 is an apocalyptic number.

63139374831 is a deficient number, since it is larger than the sum of its proper divisors (27522291649).

63139374831 is a wasteful number, since it uses less digits than its factorization.

63139374831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1618958345.

The product of its digits is 979776, while the sum is 48.

The spelling of 63139374831 in words is "sixty-three billion, one hundred thirty-nine million, three hundred seventy-four thousand, eight hundred thirty-one".