50613265399 has 2 divisors, whose sum is σ = 50613265400. Its totient is φ = 50613265398.

The previous prime is 50613265379. The next prime is 50613265421. The reversal of 50613265399 is 99356231605.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50613265399 is a prime.

It is a super-2 number, since 2×50613265399² (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 (50613265379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25306632699 + 25306632700.

It is an arithmetic number, because the mean of its divisors is an integer number (25306632700).

Almost surely, 2^50613265399 is an apocalyptic number.

50613265399 is a deficient number, since it is larger than the sum of its proper divisors (1).

50613265399 is an equidigital number, since it uses as much as digits as its factorization.

50613265399 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1312200, while the sum is 49.

The spelling of 50613265399 in words is "fifty billion, six hundred thirteen million, two hundred sixty-five thousand, three hundred ninety-nine".