23841445549 has 16 divisors (see below), whose sum is σ = 24222965760. Its totient is φ = 23463748080.

The previous prime is 23841445517. The next prime is 23841445567. The reversal of 23841445549 is 94554414832.

It is a cyclic number.

It is not a de Polignac number, because 23841445549 - 2⁵ = 23841445517 is a prime.

It is a super-2 number, since 2×23841445549² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23841445349) 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 in 15 ways as a sum of consecutive naturals, for example, 10003612 + ... + 10005994.

It is an arithmetic number, because the mean of its divisors is an integer number (1513935360).

Almost surely, 2^23841445549 is an apocalyptic number.

It is an amenable number.

23841445549 is a deficient number, since it is larger than the sum of its proper divisors (381520211).

23841445549 is a wasteful number, since it uses less digits than its factorization.

23841445549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3120.

The product of its digits is 2764800, while the sum is 49.

The spelling of 23841445549 in words is "twenty-three billion, eight hundred forty-one million, four hundred forty-five thousand, five hundred forty-nine".