24420263281 has 2 divisors, whose sum is σ = 24420263282. Its totient is φ = 24420263280.

The previous prime is 24420263279. The next prime is 24420263291. The reversal of 24420263281 is 18236202442.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24051047056 + 369216225 = 155084^2 + 19215^2 .

It is a cyclic number.

It is not a de Polignac number, because 24420263281 - 2¹ = 24420263279 is a prime.

It is a super-2 number, since 2×24420263281² (a number of 22 digits) contains 22 as substring.

Together with 24420263279, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (24420263201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12210131640 + 12210131641.

It is an arithmetic number, because the mean of its divisors is an integer number (12210131641).

Almost surely, 2^24420263281 is an apocalyptic number.

It is an amenable number.

24420263281 is a deficient number, since it is larger than the sum of its proper divisors (1).

24420263281 is an equidigital number, since it uses as much as digits as its factorization.

24420263281 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36864, while the sum is 34.

The spelling of 24420263281 in words is "twenty-four billion, four hundred twenty million, two hundred sixty-three thousand, two hundred eighty-one".