2172294539 has 2 divisors, whose sum is σ = 2172294540. Its totient is φ = 2172294538.

The previous prime is 2172294499. The next prime is 2172294557. The reversal of 2172294539 is 9354922712.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2172294539 - 2⁸ = 2172294283 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2172294539.

It is not a weakly prime, because it can be changed into another prime (2172294599) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1086147269 + 1086147270.

It is an arithmetic number, because the mean of its divisors is an integer number (1086147270).

Almost surely, 2^2172294539 is an apocalyptic number.

2172294539 is a deficient number, since it is larger than the sum of its proper divisors (1).

2172294539 is an equidigital number, since it uses as much as digits as its factorization.

2172294539 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 272160, while the sum is 44.

The square root of 2172294539 is about 46607.8806533831. The cubic root of 2172294539 is about 1295.1087477437.

The spelling of 2172294539 in words is "two billion, one hundred seventy-two million, two hundred ninety-four thousand, five hundred thirty-nine".