24891372893 has 2 divisors, whose sum is σ = 24891372894. Its totient is φ = 24891372892.

The previous prime is 24891372853. The next prime is 24891372911. The reversal of 24891372893 is 39827319842.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18882332569 + 6009040324 = 137413^2 + 77518^2 .

It is a cyclic number.

It is not a de Polignac number, because 24891372893 - 2²⁶ = 24824264029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (24891372833) 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, 12445686446 + 12445686447.

It is an arithmetic number, because the mean of its divisors is an integer number (12445686447).

Almost surely, 2^24891372893 is an apocalyptic number.

It is an amenable number.

24891372893 is a deficient number, since it is larger than the sum of its proper divisors (1).

24891372893 is an equidigital number, since it uses as much as digits as its factorization.

24891372893 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5225472, while the sum is 56.

The spelling of 24891372893 in words is "twenty-four billion, eight hundred ninety-one million, three hundred seventy-two thousand, eight hundred ninety-three".