50345135369 has 2 divisors, whose sum is σ = 50345135370. Its totient is φ = 50345135368.

The previous prime is 50345135327. The next prime is 50345135389. The reversal of 50345135369 is 96353154305.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42183819769 + 8161315600 = 205387^2 + 90340^2 .

It is a cyclic number.

It is not a de Polignac number, because 50345135369 - 2²⁴ = 50328358153 is a prime.

It is a super-2 number, since 2×50345135369² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (50345135389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25172567684 + 25172567685.

It is an arithmetic number, because the mean of its divisors is an integer number (25172567685).

Almost surely, 2^50345135369 is an apocalyptic number.

It is an amenable number.

50345135369 is a deficient number, since it is larger than the sum of its proper divisors (1).

50345135369 is an equidigital number, since it uses as much as digits as its factorization.

50345135369 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 729000, while the sum is 44.

The spelling of 50345135369 in words is "fifty billion, three hundred forty-five million, one hundred thirty-five thousand, three hundred sixty-nine".