50646643127 has 2 divisors, whose sum is σ = 50646643128. Its totient is φ = 50646643126.

The previous prime is 50646643109. The next prime is 50646643129. The reversal of 50646643127 is 72134664605.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 50646643127 - 2²⁶ = 50579534263 is a prime.

Together with 50646643129, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50646643129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25323321563 + 25323321564.

It is an arithmetic number, because the mean of its divisors is an integer number (25323321564).

Almost surely, 2^50646643127 is an apocalyptic number.

50646643127 is a deficient number, since it is larger than the sum of its proper divisors (1).

50646643127 is an equidigital number, since it uses as much as digits as its factorization.

50646643127 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 725760, while the sum is 44.

The spelling of 50646643127 in words is "fifty billion, six hundred forty-six million, six hundred forty-three thousand, one hundred twenty-seven".