2918392117 has 2 divisors, whose sum is σ = 2918392118. Its totient is φ = 2918392116.

The previous prime is 2918392109. The next prime is 2918392121. The reversal of 2918392117 is 7112938192.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2809106001 + 109286116 = 53001^2 + 10454^2 .

It is a cyclic number.

It is not a de Polignac number, because 2918392117 - 2³ = 2918392109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2918392157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1459196058 + 1459196059.

It is an arithmetic number, because the mean of its divisors is an integer number (1459196059).

Almost surely, 2^2918392117 is an apocalyptic number.

It is an amenable number.

2918392117 is a deficient number, since it is larger than the sum of its proper divisors (1).

2918392117 is an equidigital number, since it uses as much as digits as its factorization.

2918392117 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 54432, while the sum is 43.

The square root of 2918392117 is about 54022.1446908580. The cubic root of 2918392117 is about 1429.0515034759.

The spelling of 2918392117 in words is "two billion, nine hundred eighteen million, three hundred ninety-two thousand, one hundred seventeen".