22138100539 has 2 divisors, whose sum is σ = 22138100540. Its totient is φ = 22138100538.

The previous prime is 22138100513. The next prime is 22138100561. The reversal of 22138100539 is 93500183122.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22138100539 - 2¹¹ = 22138098491 is a prime.

It is not a weakly prime, because it can be changed into another prime (22138100239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11069050269 + 11069050270.

It is an arithmetic number, because the mean of its divisors is an integer number (11069050270).

Almost surely, 2^22138100539 is an apocalyptic number.

22138100539 is a deficient number, since it is larger than the sum of its proper divisors (1).

22138100539 is an equidigital number, since it uses as much as digits as its factorization.

22138100539 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 34.

The spelling of 22138100539 in words is "twenty-two billion, one hundred thirty-eight million, one hundred thousand, five hundred thirty-nine".