50742390317 has 2 divisors, whose sum is σ = 50742390318. Its totient is φ = 50742390316.

The previous prime is 50742390277. The next prime is 50742390469. The reversal of 50742390317 is 71309324705.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35110889641 + 15631500676 = 187379^2 + 125026^2 .

It is a cyclic number.

It is not a de Polignac number, because 50742390317 - 2¹² = 50742386221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50742390817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25371195158 + 25371195159.

It is an arithmetic number, because the mean of its divisors is an integer number (25371195159).

Almost surely, 2^50742390317 is an apocalyptic number.

It is an amenable number.

50742390317 is a deficient number, since it is larger than the sum of its proper divisors (1).

50742390317 is an equidigital number, since it uses as much as digits as its factorization.

50742390317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 158760, while the sum is 41.

The spelling of 50742390317 in words is "fifty billion, seven hundred forty-two million, three hundred ninety thousand, three hundred seventeen".