23679552989 has 2 divisors, whose sum is σ = 23679552990. Its totient is φ = 23679552988.

The previous prime is 23679552937. The next prime is 23679553021. The reversal of 23679552989 is 98925597632.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12339432889 + 11340120100 = 111083^2 + 106490^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23679552989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23679582989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11839776494 + 11839776495.

It is an arithmetic number, because the mean of its divisors is an integer number (11839776495).

Almost surely, 2^23679552989 is an apocalyptic number.

It is an amenable number.

23679552989 is a deficient number, since it is larger than the sum of its proper divisors (1).

23679552989 is an equidigital number, since it uses as much as digits as its factorization.

23679552989 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 73483200, while the sum is 65.

The spelling of 23679552989 in words is "twenty-three billion, six hundred seventy-nine million, five hundred fifty-two thousand, nine hundred eighty-nine".