2136317879 has 2 divisors, whose sum is σ = 2136317880. Its totient is φ = 2136317878.

The previous prime is 2136317867. The next prime is 2136317893. The reversal of 2136317879 is 9787136312.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2136317879 - 2¹² = 2136313783 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2136317899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1068158939 + 1068158940.

It is an arithmetic number, because the mean of its divisors is an integer number (1068158940).

Almost surely, 2^2136317879 is an apocalyptic number.

2136317879 is a deficient number, since it is larger than the sum of its proper divisors (1).

2136317879 is an equidigital number, since it uses as much as digits as its factorization.

2136317879 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 381024, while the sum is 47.

The square root of 2136317879 is about 46220.3188976450. The cubic root of 2136317879 is about 1287.9192220649.

The spelling of 2136317879 in words is "two billion, one hundred thirty-six million, three hundred seventeen thousand, eight hundred seventy-nine".