23449039489 has 2 divisors, whose sum is σ = 23449039490. Its totient is φ = 23449039488.

The previous prime is 23449039483. The next prime is 23449039507. The reversal of 23449039489 is 98493094432.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14117479489 + 9331560000 = 118817^2 + 96600^2 .

It is a cyclic number.

It is not a de Polignac number, because 23449039489 - 2²⁹ = 22912168577 is a prime.

It is a super-2 number, since 2×23449039489² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (23449039483) 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, 11724519744 + 11724519745.

It is an arithmetic number, because the mean of its divisors is an integer number (11724519745).

Almost surely, 2^23449039489 is an apocalyptic number.

It is an amenable number.

23449039489 is a deficient number, since it is larger than the sum of its proper divisors (1).

23449039489 is an equidigital number, since it uses as much as digits as its factorization.

23449039489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6718464, while the sum is 55.

The spelling of 23449039489 in words is "twenty-three billion, four hundred forty-nine million, thirty-nine thousand, four hundred eighty-nine".