2101162939 has 2 divisors, whose sum is σ = 2101162940. Its totient is φ = 2101162938.

The previous prime is 2101162933. The next prime is 2101162949. The reversal of 2101162939 is 9392611012.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2101162939 - 2²³ = 2092774331 is a prime.

It is not a weakly prime, because it can be changed into another prime (2101162933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050581469 + 1050581470.

It is an arithmetic number, because the mean of its divisors is an integer number (1050581470).

Almost surely, 2^2101162939 is an apocalyptic number.

2101162939 is a deficient number, since it is larger than the sum of its proper divisors (1).

2101162939 is an equidigital number, since it uses as much as digits as its factorization.

2101162939 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5832, while the sum is 34.

The square root of 2101162939 is about 45838.4438981081. The cubic root of 2101162939 is about 1280.8155079454.

The spelling of 2101162939 in words is "two billion, one hundred one million, one hundred sixty-two thousand, nine hundred thirty-nine".