24878282641 has 2 divisors, whose sum is σ = 24878282642. Its totient is φ = 24878282640.

The previous prime is 24878282623. The next prime is 24878282669. The reversal of 24878282641 is 14628287842.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15542858241 + 9335424400 = 124671^2 + 96620^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-24878282641 is a prime.

It is not a weakly prime, because it can be changed into another prime (24878282441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12439141320 + 12439141321.

It is an arithmetic number, because the mean of its divisors is an integer number (12439141321).

Almost surely, 2^24878282641 is an apocalyptic number.

It is an amenable number.

24878282641 is a deficient number, since it is larger than the sum of its proper divisors (1).

24878282641 is an equidigital number, since it uses as much as digits as its factorization.

24878282641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2752512, while the sum is 52.

The spelling of 24878282641 in words is "twenty-four billion, eight hundred seventy-eight million, two hundred eighty-two thousand, six hundred forty-one".