50247137399 has 2 divisors, whose sum is σ = 50247137400. Its totient is φ = 50247137398.

The previous prime is 50247137393. The next prime is 50247137459. The reversal of 50247137399 is 99373174205.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 50247137399 - 2¹⁶ = 50247071863 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50247137393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25123568699 + 25123568700.

It is an arithmetic number, because the mean of its divisors is an integer number (25123568700).

Almost surely, 2^50247137399 is an apocalyptic number.

50247137399 is a deficient number, since it is larger than the sum of its proper divisors (1).

50247137399 is an equidigital number, since it uses as much as digits as its factorization.

50247137399 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1428840, while the sum is 50.

The spelling of 50247137399 in words is "fifty billion, two hundred forty-seven million, one hundred thirty-seven thousand, three hundred ninety-nine".