50318199641 has 2 divisors, whose sum is σ = 50318199642. Its totient is φ = 50318199640.

The previous prime is 50318199623. The next prime is 50318199667. The reversal of 50318199641 is 14699181305.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27276174025 + 23042025616 = 165155^2 + 151796^2 .

It is a cyclic number.

It is not a de Polignac number, because 50318199641 - 2¹⁴ = 50318183257 is a prime.

It is a super-2 number, since 2×50318199641² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (50318190641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25159099820 + 25159099821.

It is an arithmetic number, because the mean of its divisors is an integer number (25159099821).

Almost surely, 2^50318199641 is an apocalyptic number.

It is an amenable number.

50318199641 is a deficient number, since it is larger than the sum of its proper divisors (1).

50318199641 is an equidigital number, since it uses as much as digits as its factorization.

50318199641 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 233280, while the sum is 47.

The spelling of 50318199641 in words is "fifty billion, three hundred eighteen million, one hundred ninety-nine thousand, six hundred forty-one".