12800450913953 has 2 divisors, whose sum is σ = 12800450913954. Its totient is φ = 12800450913952.

The previous prime is 12800450913937. The next prime is 12800450913977. The reversal of 12800450913953 is 35931905400821.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11434292020369 + 1366158893584 = 3381463^2 + 1168828^2 .

It is a cyclic number.

It is not a de Polignac number, because 12800450913953 - 2⁴ = 12800450913937 is a prime.

It is not a weakly prime, because it can be changed into another prime (12800450913253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6400225456976 + 6400225456977.

It is an arithmetic number, because the mean of its divisors is an integer number (6400225456977).

Almost surely, 2^{12800450913953} is an apocalyptic number.

It is an amenable number.

12800450913953 is a deficient number, since it is larger than the sum of its proper divisors (1).

12800450913953 is an equidigital number, since it uses as much as digits as its factorization.

12800450913953 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1166400, while the sum is 50.

The spelling of 12800450913953 in words is "twelve trillion, eight hundred billion, four hundred fifty million, nine hundred thirteen thousand, nine hundred fifty-three".