22636560787429 has 2 divisors, whose sum is σ = 22636560787430. Its totient is φ = 22636560787428.

The previous prime is 22636560787361. The next prime is 22636560787441. The reversal of 22636560787429 is 92478706563622.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22594526356900 + 42034430529 = 4753370^2 + 205023^2 .

It is a cyclic number.

It is not a de Polignac number, because 22636560787429 - 2¹⁷ = 22636560656357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22636560707429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11318280393714 + 11318280393715.

It is an arithmetic number, because the mean of its divisors is an integer number (11318280393715).

Almost surely, 2^{22636560787429} is an apocalyptic number.

It is an amenable number.

22636560787429 is a deficient number, since it is larger than the sum of its proper divisors (1).

22636560787429 is an equidigital number, since it uses as much as digits as its factorization.

22636560787429 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 365783040, while the sum is 67.

The spelling of 22636560787429 in words is "twenty-two trillion, six hundred thirty-six billion, five hundred sixty million, seven hundred eighty-seven thousand, four hundred twenty-nine".