50607989191 has 2 divisors, whose sum is σ = 50607989192. Its totient is φ = 50607989190.

The previous prime is 50607989189. The next prime is 50607989209. The reversal of 50607989191 is 19198970605.

50607989191 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 50607989191 - 2¹ = 50607989189 is a prime.

It is a super-2 number, since 2×50607989191² (a number of 22 digits) contains 22 as substring.

Together with 50607989189, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50607989101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25303994595 + 25303994596.

It is an arithmetic number, because the mean of its divisors is an integer number (25303994596).

Almost surely, 2^50607989191 is an apocalyptic number.

50607989191 is a deficient number, since it is larger than the sum of its proper divisors (1).

50607989191 is an equidigital number, since it uses as much as digits as its factorization.

50607989191 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1224720, while the sum is 55.

The spelling of 50607989191 in words is "fifty billion, six hundred seven million, nine hundred eighty-nine thousand, one hundred ninety-one".