50505039619 has 2 divisors, whose sum is σ = 50505039620. Its totient is φ = 50505039618.

The previous prime is 50505039569. The next prime is 50505039643. The reversal of 50505039619 is 91693050505.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50505039619 is a prime.

It is a super-2 number, since 2×50505039619² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (50505030619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25252519809 + 25252519810.

It is an arithmetic number, because the mean of its divisors is an integer number (25252519810).

Almost surely, 2^50505039619 is an apocalyptic number.

50505039619 is a deficient number, since it is larger than the sum of its proper divisors (1).

50505039619 is an equidigital number, since it uses as much as digits as its factorization.

50505039619 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 182250, while the sum is 43.

The spelling of 50505039619 in words is "fifty billion, five hundred five million, thirty-nine thousand, six hundred nineteen".