50501909399 has 2 divisors, whose sum is σ = 50501909400. Its totient is φ = 50501909398.

The previous prime is 50501909369. The next prime is 50501909411. The reversal of 50501909399 is 99390910505.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50501909399 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50501909309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25250954699 + 25250954700.

It is an arithmetic number, because the mean of its divisors is an integer number (25250954700).

Almost surely, 2^50501909399 is an apocalyptic number.

50501909399 is a deficient number, since it is larger than the sum of its proper divisors (1).

50501909399 is an equidigital number, since it uses as much as digits as its factorization.

50501909399 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 492075, while the sum is 50.

The spelling of 50501909399 in words is "fifty billion, five hundred one million, nine hundred nine thousand, three hundred ninety-nine".