2173315867 has 2 divisors, whose sum is σ = 2173315868. Its totient is φ = 2173315866.

The previous prime is 2173315849. The next prime is 2173315873. The reversal of 2173315867 is 7685133712.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2173315867 is a prime.

It is not a weakly prime, because it can be changed into another prime (2173315877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1086657933 + 1086657934.

It is an arithmetic number, because the mean of its divisors is an integer number (1086657934).

Almost surely, 2^2173315867 is an apocalyptic number.

2173315867 is a deficient number, since it is larger than the sum of its proper divisors (1).

2173315867 is an equidigital number, since it uses as much as digits as its factorization.

2173315867 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 211680, while the sum is 43.

The square root of 2173315867 is about 46618.8359678789. The cubic root of 2173315867 is about 1295.3116857828.

The spelling of 2173315867 in words is "two billion, one hundred seventy-three million, three hundred fifteen thousand, eight hundred sixty-seven".