24792121397 has 2 divisors, whose sum is σ = 24792121398. Its totient is φ = 24792121396.

The previous prime is 24792121391. The next prime is 24792121423. The reversal of 24792121397 is 79312129742.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14422568836 + 10369552561 = 120094^2 + 101831^2 .

It is a cyclic number.

It is not a de Polignac number, because 24792121397 - 2¹⁶ = 24792055861 is a prime.

It is a super-2 number, since 2×24792121397² (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 (24792121391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12396060698 + 12396060699.

It is an arithmetic number, because the mean of its divisors is an integer number (12396060699).

Almost surely, 2^24792121397 is an apocalyptic number.

It is an amenable number.

24792121397 is a deficient number, since it is larger than the sum of its proper divisors (1).

24792121397 is an equidigital number, since it uses as much as digits as its factorization.

24792121397 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 381024, while the sum is 47.

The spelling of 24792121397 in words is "twenty-four billion, seven hundred ninety-two million, one hundred twenty-one thousand, three hundred ninety-seven".