24313421893 has 2 divisors, whose sum is σ = 24313421894. Its totient is φ = 24313421892.

The previous prime is 24313421887. The next prime is 24313421897. The reversal of 24313421893 is 39812431342.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17716408609 + 6597013284 = 133103^2 + 81222^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-24313421893 is a prime.

It is a super-2 number, since 2×24313421893² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (24313421897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12156710946 + 12156710947.

It is an arithmetic number, because the mean of its divisors is an integer number (12156710947).

Almost surely, 2^24313421893 is an apocalyptic number.

It is an amenable number.

24313421893 is a deficient number, since it is larger than the sum of its proper divisors (1).

24313421893 is an equidigital number, since it uses as much as digits as its factorization.

24313421893 is an evil number, because the sum of its binary digits is even.

The product of its digits is 124416, while the sum is 40.

The spelling of 24313421893 in words is "twenty-four billion, three hundred thirteen million, four hundred twenty-one thousand, eight hundred ninety-three".