63139902527 has 4 divisors (see below), whose sum is σ = 67996818120. Its totient is φ = 58282986936.

The previous prime is 63139902503. The next prime is 63139902541. The reversal of 63139902527 is 72520993136.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 63139902527 - 2²⁰ = 63138853951 is a prime.

It is a super-2 number, since 2×63139902527² (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 (63139902127) 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 3 ways as a sum of consecutive naturals, for example, 2428457777 + ... + 2428457802.

It is an arithmetic number, because the mean of its divisors is an integer number (16999204530).

Almost surely, 2^63139902527 is an apocalyptic number.

63139902527 is a deficient number, since it is larger than the sum of its proper divisors (4856915593).

63139902527 is a wasteful number, since it uses less digits than its factorization.

63139902527 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4856915592.

The product of its (nonzero) digits is 612360, while the sum is 47.

The spelling of 63139902527 in words is "sixty-three billion, one hundred thirty-nine million, nine hundred two thousand, five hundred twenty-seven".