50650551613 has 2 divisors, whose sum is σ = 50650551614. Its totient is φ = 50650551612.

The previous prime is 50650551559. The next prime is 50650551643. The reversal of 50650551613 is 31615505605.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36302824089 + 14347727524 = 190533^2 + 119782^2 .

It is a cyclic number.

It is not a de Polignac number, because 50650551613 - 2²⁵ = 50616997181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50650551643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25325275806 + 25325275807.

It is an arithmetic number, because the mean of its divisors is an integer number (25325275807).

Almost surely, 2^50650551613 is an apocalyptic number.

It is an amenable number.

50650551613 is a deficient number, since it is larger than the sum of its proper divisors (1).

50650551613 is an equidigital number, since it uses as much as digits as its factorization.

50650551613 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 67500, while the sum is 37.

The spelling of 50650551613 in words is "fifty billion, six hundred fifty million, five hundred fifty-one thousand, six hundred thirteen".