24792121391 has 2 divisors, whose sum is σ = 24792121392. Its totient is φ = 24792121390.

The previous prime is 24792121363. The next prime is 24792121397. The reversal of 24792121391 is 19312129742.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-24792121391 is a prime.

It is a super-2 number, since 2×24792121391² (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 (24792121397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12396060695 + 12396060696.

It is an arithmetic number, because the mean of its divisors is an integer number (12396060696).

Almost surely, 2^24792121391 is an apocalyptic number.

24792121391 is a deficient number, since it is larger than the sum of its proper divisors (1).

24792121391 is an equidigital number, since it uses as much as digits as its factorization.

24792121391 is an evil number, because the sum of its binary digits is even.

The product of its digits is 54432, while the sum is 41.

The spelling of 24792121391 in words is "twenty-four billion, seven hundred ninety-two million, one hundred twenty-one thousand, three hundred ninety-one".