50424413509 has 2 divisors, whose sum is σ = 50424413510. Its totient is φ = 50424413508.

The previous prime is 50424413477. The next prime is 50424413527. The reversal of 50424413509 is 90531442405.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41118917284 + 9305496225 = 202778^2 + 96465^2 .

It is a cyclic number.

It is not a de Polignac number, because 50424413509 - 2⁵ = 50424413477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50424413579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25212206754 + 25212206755.

It is an arithmetic number, because the mean of its divisors is an integer number (25212206755).

Almost surely, 2^50424413509 is an apocalyptic number.

It is an amenable number.

50424413509 is a deficient number, since it is larger than the sum of its proper divisors (1).

50424413509 is an equidigital number, since it uses as much as digits as its factorization.

50424413509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 86400, while the sum is 37.

The spelling of 50424413509 in words is "fifty billion, four hundred twenty-four million, four hundred thirteen thousand, five hundred nine".