50689042279 has 2 divisors, whose sum is σ = 50689042280. Its totient is φ = 50689042278.

The previous prime is 50689042241. The next prime is 50689042337. The reversal of 50689042279 is 97224098605.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 50689042279 - 2¹³ = 50689034087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50689040279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25344521139 + 25344521140.

It is an arithmetic number, because the mean of its divisors is an integer number (25344521140).

Almost surely, 2^50689042279 is an apocalyptic number.

50689042279 is a deficient number, since it is larger than the sum of its proper divisors (1).

50689042279 is an equidigital number, since it uses as much as digits as its factorization.

50689042279 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2177280, while the sum is 52.

The spelling of 50689042279 in words is "fifty billion, six hundred eighty-nine million, forty-two thousand, two hundred seventy-nine".