50415033509 has 2 divisors, whose sum is σ = 50415033510. Its totient is φ = 50415033508.

The previous prime is 50415033479. The next prime is 50415033511. The reversal of 50415033509 is 90533051405.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49646524225 + 768509284 = 222815^2 + 27722^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50415033509 is a prime.

Together with 50415033511, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50415033589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25207516754 + 25207516755.

It is an arithmetic number, because the mean of its divisors is an integer number (25207516755).

Almost surely, 2^50415033509 is an apocalyptic number.

It is an amenable number.

50415033509 is a deficient number, since it is larger than the sum of its proper divisors (1).

50415033509 is an equidigital number, since it uses as much as digits as its factorization.

50415033509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40500, while the sum is 35.

The spelling of 50415033509 in words is "fifty billion, four hundred fifteen million, thirty-three thousand, five hundred nine".