23539183489 has 2 divisors, whose sum is σ = 23539183490. Its totient is φ = 23539183488.

The previous prime is 23539183387. The next prime is 23539183511. The reversal of 23539183489 is 98438193532.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23014407025 + 524776464 = 151705^2 + 22908^2 .

It is a cyclic number.

It is not a de Polignac number, because 23539183489 - 2¹⁵ = 23539150721 is a prime.

It is not a weakly prime, because it can be changed into another prime (23539153489) 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, 11769591744 + 11769591745.

It is an arithmetic number, because the mean of its divisors is an integer number (11769591745).

Almost surely, 2^23539183489 is an apocalyptic number.

It is an amenable number.

23539183489 is a deficient number, since it is larger than the sum of its proper divisors (1).

23539183489 is an equidigital number, since it uses as much as digits as its factorization.

23539183489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5598720, while the sum is 55.

The spelling of 23539183489 in words is "twenty-three billion, five hundred thirty-nine million, one hundred eighty-three thousand, four hundred eighty-nine".