50131818263 has 2 divisors, whose sum is σ = 50131818264. Its totient is φ = 50131818262.

The previous prime is 50131818241. The next prime is 50131818287. The reversal of 50131818263 is 36281813105.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 50131818263 - 2¹² = 50131814167 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50131818563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25065909131 + 25065909132.

It is an arithmetic number, because the mean of its divisors is an integer number (25065909132).

Almost surely, 2^50131818263 is an apocalyptic number.

50131818263 is a deficient number, since it is larger than the sum of its proper divisors (1).

50131818263 is an equidigital number, since it uses as much as digits as its factorization.

50131818263 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34560, while the sum is 38.

The spelling of 50131818263 in words is "fifty billion, one hundred thirty-one million, eight hundred eighteen thousand, two hundred sixty-three".