2108997599 has 2 divisors, whose sum is σ = 2108997600. Its totient is φ = 2108997598.

The previous prime is 2108997589. The next prime is 2108997601. The reversal of 2108997599 is 9957998012.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2108997599 - 2¹² = 2108993503 is a prime.

Together with 2108997601, 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 (2108997529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1054498799 + 1054498800.

It is an arithmetic number, because the mean of its divisors is an integer number (1054498800).

Almost surely, 2^2108997599 is an apocalyptic number.

2108997599 is a deficient number, since it is larger than the sum of its proper divisors (1).

2108997599 is an equidigital number, since it uses as much as digits as its factorization.

2108997599 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3674160, while the sum is 59.

The square root of 2108997599 is about 45923.8238717117. The cubic root of 2108997599 is about 1282.4054699188.

The spelling of 2108997599 in words is "two billion, one hundred eight million, nine hundred ninety-seven thousand, five hundred ninety-nine".