50986674889 has 2 divisors, whose sum is σ = 50986674890. Its totient is φ = 50986674888.

The previous prime is 50986674877. The next prime is 50986674989. The reversal of 50986674889 is 98847668905.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43291876489 + 7694798400 = 208067^2 + 87720^2 .

It is a cyclic number.

It is not a de Polignac number, because 50986674889 - 2³³ = 42396740297 is a prime.

It is not a weakly prime, because it can be changed into another prime (50986674989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25493337444 + 25493337445.

It is an arithmetic number, because the mean of its divisors is an integer number (25493337445).

Almost surely, 2^50986674889 is an apocalyptic number.

It is an amenable number.

50986674889 is a deficient number, since it is larger than the sum of its proper divisors (1).

50986674889 is an equidigital number, since it uses as much as digits as its factorization.

50986674889 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 209018880, while the sum is 70.

The spelling of 50986674889 in words is "fifty billion, nine hundred eighty-six million, six hundred seventy-four thousand, eight hundred eighty-nine".