24640355263 has 2 divisors, whose sum is σ = 24640355264. Its totient is φ = 24640355262.

The previous prime is 24640355251. The next prime is 24640355279. The reversal of 24640355263 is 36255304642.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 24640355263 - 2¹³ = 24640347071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (24640355563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12320177631 + 12320177632.

It is an arithmetic number, because the mean of its divisors is an integer number (12320177632).

Almost surely, 2^24640355263 is an apocalyptic number.

24640355263 is a deficient number, since it is larger than the sum of its proper divisors (1).

24640355263 is an equidigital number, since it uses as much as digits as its factorization.

24640355263 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 518400, while the sum is 40.

The spelling of 24640355263 in words is "twenty-four billion, six hundred forty million, three hundred fifty-five thousand, two hundred sixty-three".