50470050691 has 2 divisors, whose sum is σ = 50470050692. Its totient is φ = 50470050690.

The previous prime is 50470050689. The next prime is 50470050737. The reversal of 50470050691 is 19605007405.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 50470050691 - 2¹ = 50470050689 is a prime.

Together with 50470050689, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 50470050691.

It is not a weakly prime, because it can be changed into another prime (50470050611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25235025345 + 25235025346.

It is an arithmetic number, because the mean of its divisors is an integer number (25235025346).

Almost surely, 2^50470050691 is an apocalyptic number.

50470050691 is a deficient number, since it is larger than the sum of its proper divisors (1).

50470050691 is an equidigital number, since it uses as much as digits as its factorization.

50470050691 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 37800, while the sum is 37.

The spelling of 50470050691 in words is "fifty billion, four hundred seventy million, fifty thousand, six hundred ninety-one".