50402562313 has 2 divisors, whose sum is σ = 50402562314. Its totient is φ = 50402562312.

The previous prime is 50402562311. The next prime is 50402562323. The reversal of 50402562313 is 31326520405.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27379659024 + 23022903289 = 165468^2 + 151733^2 .

It is a cyclic number.

It is not a de Polignac number, because 50402562313 - 2¹ = 50402562311 is a prime.

Together with 50402562311, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (50402562311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25201281156 + 25201281157.

It is an arithmetic number, because the mean of its divisors is an integer number (25201281157).

Almost surely, 2^50402562313 is an apocalyptic number.

It is an amenable number.

50402562313 is a deficient number, since it is larger than the sum of its proper divisors (1).

50402562313 is an equidigital number, since it uses as much as digits as its factorization.

50402562313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21600, while the sum is 31.

The spelling of 50402562313 in words is "fifty billion, four hundred two million, five hundred sixty-two thousand, three hundred thirteen".