50243120999 has 2 divisors, whose sum is σ = 50243121000. Its totient is φ = 50243120998.

The previous prime is 50243120969. The next prime is 50243121007. The reversal of 50243120999 is 99902134205.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 50243120999 - 2²⁰ = 50242072423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50243120959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25121560499 + 25121560500.

It is an arithmetic number, because the mean of its divisors is an integer number (25121560500).

Almost surely, 2^50243120999 is an apocalyptic number.

50243120999 is a deficient number, since it is larger than the sum of its proper divisors (1).

50243120999 is an equidigital number, since it uses as much as digits as its factorization.

50243120999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 174960, while the sum is 44.

The spelling of 50243120999 in words is "fifty billion, two hundred forty-three million, one hundred twenty thousand, nine hundred ninety-nine".