24449893961 has 2 divisors, whose sum is σ = 24449893962. Its totient is φ = 24449893960.

The previous prime is 24449893907. The next prime is 24449894009. The reversal of 24449893961 is 16939894442.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13934622025 + 10515271936 = 118045^2 + 102544^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-24449893961 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 24449893961.

It is not a weakly prime, because it can be changed into another prime (24449893261) 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, 12224946980 + 12224946981.

It is an arithmetic number, because the mean of its divisors is an integer number (12224946981).

Almost surely, 2^24449893961 is an apocalyptic number.

It is an amenable number.

24449893961 is a deficient number, since it is larger than the sum of its proper divisors (1).

24449893961 is an equidigital number, since it uses as much as digits as its factorization.

24449893961 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13436928, while the sum is 59.

The spelling of 24449893961 in words is "twenty-four billion, four hundred forty-nine million, eight hundred ninety-three thousand, nine hundred sixty-one".