2107118399 has 2 divisors, whose sum is σ = 2107118400. Its totient is φ = 2107118398.

The previous prime is 2107118357. The next prime is 2107118401. The reversal of 2107118399 is 9938117012.

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-2107118399 is a prime.

Together with 2107118401, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2107118599) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1053559199 + 1053559200.

It is an arithmetic number, because the mean of its divisors is an integer number (1053559200).

Almost surely, 2^2107118399 is an apocalyptic number.

2107118399 is a deficient number, since it is larger than the sum of its proper divisors (1).

2107118399 is an equidigital number, since it uses as much as digits as its factorization.

2107118399 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27216, while the sum is 41.

The square root of 2107118399 is about 45903.3593432986. The cubic root of 2107118399 is about 1282.0244654571.

The spelling of 2107118399 in words is "two billion, one hundred seven million, one hundred eighteen thousand, three hundred ninety-nine".