50278182631 has 2 divisors, whose sum is σ = 50278182632. Its totient is φ = 50278182630.

The previous prime is 50278182547. The next prime is 50278182653. The reversal of 50278182631 is 13628187205.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50278182631 is a prime.

It is a super-2 number, since 2×50278182631² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50278182131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25139091315 + 25139091316.

It is an arithmetic number, because the mean of its divisors is an integer number (25139091316).

Almost surely, 2^50278182631 is an apocalyptic number.

50278182631 is a deficient number, since it is larger than the sum of its proper divisors (1).

50278182631 is an equidigital number, since it uses as much as digits as its factorization.

50278182631 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 161280, while the sum is 43.

The spelling of 50278182631 in words is "fifty billion, two hundred seventy-eight million, one hundred eighty-two thousand, six hundred thirty-one".