2112990239 has 2 divisors, whose sum is σ = 2112990240. Its totient is φ = 2112990238.

The previous prime is 2112990221. The next prime is 2112990241. The reversal of 2112990239 is 9320992112.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2112990239 is a prime.

Together with 2112990241, 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 (2112990259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056495119 + 1056495120.

It is an arithmetic number, because the mean of its divisors is an integer number (1056495120).

Almost surely, 2^2112990239 is an apocalyptic number.

2112990239 is a deficient number, since it is larger than the sum of its proper divisors (1).

2112990239 is an equidigital number, since it uses as much as digits as its factorization.

2112990239 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17496, while the sum is 38.

The square root of 2112990239 is about 45967.2735650049. The cubic root of 2112990239 is about 1283.2142199599.

The spelling of 2112990239 in words is "two billion, one hundred twelve million, nine hundred ninety thousand, two hundred thirty-nine".