23874484489 has 2 divisors, whose sum is σ = 23874484490. Its totient is φ = 23874484488.

The previous prime is 23874484481. The next prime is 23874484507. The reversal of 23874484489 is 98448447832.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21633408889 + 2241075600 = 147083^2 + 47340^2 .

It is a cyclic number.

It is not a de Polignac number, because 23874484489 - 2³ = 23874484481 is a prime.

It is a super-2 number, since 2×23874484489² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (23874484481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11937242244 + 11937242245.

It is an arithmetic number, because the mean of its divisors is an integer number (11937242245).

Almost surely, 2^23874484489 is an apocalyptic number.

It is an amenable number.

23874484489 is a deficient number, since it is larger than the sum of its proper divisors (1).

23874484489 is an equidigital number, since it uses as much as digits as its factorization.

23874484489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 49545216, while the sum is 61.

The spelling of 23874484489 in words is "twenty-three billion, eight hundred seventy-four million, four hundred eighty-four thousand, four hundred eighty-nine".