50501909369 has 2 divisors, whose sum is σ = 50501909370. Its totient is φ = 50501909368.

The previous prime is 50501909329. The next prime is 50501909399. The reversal of 50501909369 is 96390910505.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33883605625 + 16618303744 = 184075^2 + 128912^2 .

It is a cyclic number.

It is not a de Polignac number, because 50501909369 - 2²⁰ = 50500860793 is a prime.

It is a super-2 number, since 2×50501909369² (a number of 22 digits) contains 22 as substring.

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, 25250954684 + 25250954685.

It is an arithmetic number, because the mean of its divisors is an integer number (25250954685).

Almost surely, 2^50501909369 is an apocalyptic number.

It is an amenable number.

50501909369 is a deficient number, since it is larger than the sum of its proper divisors (1).

50501909369 is an equidigital number, since it uses as much as digits as its factorization.

50501909369 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 328050, while the sum is 47.

The spelling of 50501909369 in words is "fifty billion, five hundred one million, nine hundred nine thousand, three hundred sixty-nine".