2162004539 has 2 divisors, whose sum is σ = 2162004540. Its totient is φ = 2162004538.

The previous prime is 2162004527. The next prime is 2162004541. The reversal of 2162004539 is 9354002612.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2162004539 is a prime.

Together with 2162004541, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2162004569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1081002269 + 1081002270.

It is an arithmetic number, because the mean of its divisors is an integer number (1081002270).

Almost surely, 2^2162004539 is an apocalyptic number.

2162004539 is a deficient number, since it is larger than the sum of its proper divisors (1).

2162004539 is an equidigital number, since it uses as much as digits as its factorization.

2162004539 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 2162004539 is about 46497.3605594984. The cubic root of 2162004539 is about 1293.0605652327.

The spelling of 2162004539 in words is "two billion, one hundred sixty-two million, four thousand, five hundred thirty-nine".