2127917699 has 2 divisors, whose sum is σ = 2127917700. Its totient is φ = 2127917698.

The previous prime is 2127917689. The next prime is 2127917707. The reversal of 2127917699 is 9967197212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2127917699 - 2⁸ = 2127917443 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2127917699.

It is not a weakly prime, because it can be changed into another prime (2127917609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1063958849 + 1063958850.

It is an arithmetic number, because the mean of its divisors is an integer number (1063958850).

Almost surely, 2^2127917699 is an apocalyptic number.

2127917699 is a deficient number, since it is larger than the sum of its proper divisors (1).

2127917699 is an equidigital number, since it uses as much as digits as its factorization.

2127917699 is an evil number, because the sum of its binary digits is even.

The product of its digits is 857304, while the sum is 53.

The square root of 2127917699 is about 46129.3583198379. The cubic root of 2127917699 is about 1286.2289360928.

The spelling of 2127917699 in words is "two billion, one hundred twenty-seven million, nine hundred seventeen thousand, six hundred ninety-nine".