23441444549 has 2 divisors, whose sum is σ = 23441444550. Its totient is φ = 23441444548.

The previous prime is 23441444531. The next prime is 23441444581. The reversal of 23441444549 is 94544414432.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19004552449 + 4436892100 = 137857^2 + 66610^2 .

It is a cyclic number.

It is not a de Polignac number, because 23441444549 - 2³² = 19146477253 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23441444599) 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, 11720722274 + 11720722275.

It is an arithmetic number, because the mean of its divisors is an integer number (11720722275).

Almost surely, 2^23441444549 is an apocalyptic number.

It is an amenable number.

23441444549 is a deficient number, since it is larger than the sum of its proper divisors (1).

23441444549 is an equidigital number, since it uses as much as digits as its factorization.

23441444549 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1105920, while the sum is 44.

The spelling of 23441444549 in words is "twenty-three billion, four hundred forty-one million, four hundred forty-four thousand, five hundred forty-nine".