23809244689 has 2 divisors, whose sum is σ = 23809244690. Its totient is φ = 23809244688.

The previous prime is 23809244647. The next prime is 23809244713. The reversal of 23809244689 is 98644290832.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21636939025 + 2172305664 = 147095^2 + 46608^2 .

It is a cyclic number.

It is not a de Polignac number, because 23809244689 - 2¹¹ = 23809242641 is a prime.

It is not a weakly prime, because it can be changed into another prime (23809244639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11904622344 + 11904622345.

It is an arithmetic number, because the mean of its divisors is an integer number (11904622345).

Almost surely, 2^23809244689 is an apocalyptic number.

It is an amenable number.

23809244689 is a deficient number, since it is larger than the sum of its proper divisors (1).

23809244689 is an equidigital number, since it uses as much as digits as its factorization.

23809244689 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5971968, while the sum is 55.

The spelling of 23809244689 in words is "twenty-three billion, eight hundred nine million, two hundred forty-four thousand, six hundred eighty-nine".