24045155844421 has 2 divisors, whose sum is σ = 24045155844422. Its totient is φ = 24045155844420.

The previous prime is 24045155844389. The next prime is 24045155844431. The reversal of 24045155844421 is 12444855154042.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23692896976225 + 352258868196 = 4867535^2 + 593514^2 .

It is a cyclic number.

It is not a de Polignac number, because 24045155844421 - 2⁵ = 24045155844389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (24045155844431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12022577922210 + 12022577922211.

It is an arithmetic number, because the mean of its divisors is an integer number (12022577922211).

Almost surely, 2^{24045155844421} is an apocalyptic number.

It is an amenable number.

24045155844421 is a deficient number, since it is larger than the sum of its proper divisors (1).

24045155844421 is an equidigital number, since it uses as much as digits as its factorization.

24045155844421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4096000, while the sum is 49.

The spelling of 24045155844421 in words is "twenty-four trillion, forty-five billion, one hundred fifty-five million, eight hundred forty-four thousand, four hundred twenty-one".