2116895579 has 2 divisors, whose sum is σ = 2116895580. Its totient is φ = 2116895578.

The previous prime is 2116895569. The next prime is 2116895587. The reversal of 2116895579 is 9755986112.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2116895579 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2116895579.

It is not a weakly prime, because it can be changed into another prime (2116895509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1058447789 + 1058447790.

It is an arithmetic number, because the mean of its divisors is an integer number (1058447790).

Almost surely, 2^2116895579 is an apocalyptic number.

2116895579 is a deficient number, since it is larger than the sum of its proper divisors (1).

2116895579 is an equidigital number, since it uses as much as digits as its factorization.

2116895579 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1360800, while the sum is 53.

The square root of 2116895579 is about 46009.7335245489. The cubic root of 2116895579 is about 1284.0043014691.

The spelling of 2116895579 in words is "two billion, one hundred sixteen million, eight hundred ninety-five thousand, five hundred seventy-nine".