50428604631 has 4 divisors (see below), whose sum is σ = 67238139512. Its totient is φ = 33619069752.

The previous prime is 50428604623. The next prime is 50428604659. The reversal of 50428604631 is 13640682405.

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

It is not a de Polignac number, because 50428604631 - 2³ = 50428604623 is a prime.

It is a super-2 number, since 2×50428604631² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 50428604631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50428604131) 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, 8404767436 + ... + 8404767441.

It is an arithmetic number, because the mean of its divisors is an integer number (16809534878).

Almost surely, 2^50428604631 is an apocalyptic number.

50428604631 is a deficient number, since it is larger than the sum of its proper divisors (16809534881).

50428604631 is a wasteful number, since it uses less digits than its factorization.

50428604631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16809534880.

The product of its (nonzero) digits is 138240, while the sum is 39.

The spelling of 50428604631 in words is "fifty billion, four hundred twenty-eight million, six hundred four thousand, six hundred thirty-one".