2172525422939 has 2 divisors, whose sum is σ = 2172525422940. Its totient is φ = 2172525422938.

The previous prime is 2172525422897. The next prime is 2172525422971. The reversal of 2172525422939 is 9392245252712.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2172525422939 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (2172525422539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1086262711469 + 1086262711470.

It is an arithmetic number, because the mean of its divisors is an integer number (1086262711470).

Almost surely, 2^{2172525422939} is an apocalyptic number.

2172525422939 is a deficient number, since it is larger than the sum of its proper divisors (1).

2172525422939 is an equidigital number, since it uses as much as digits as its factorization.

2172525422939 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5443200, while the sum is 53.

The spelling of 2172525422939 in words is "two trillion, one hundred seventy-two billion, five hundred twenty-five million, four hundred twenty-two thousand, nine hundred thirty-nine".