12894567206441 has 2 divisors, whose sum is σ = 12894567206442. Its totient is φ = 12894567206440.

The previous prime is 12894567206431. The next prime is 12894567206447. The reversal of 12894567206441 is 14460276549821.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10772968128400 + 2121599078041 = 3282220^2 + 1456571^2 .

It is a cyclic number.

It is not a de Polignac number, because 12894567206441 - 2¹⁰ = 12894567205417 is a prime.

It is not a weakly prime, because it can be changed into another prime (12894567206447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6447283603220 + 6447283603221.

It is an arithmetic number, because the mean of its divisors is an integer number (6447283603221).

Almost surely, 2^{12894567206441} is an apocalyptic number.

It is an amenable number.

12894567206441 is a deficient number, since it is larger than the sum of its proper divisors (1).

12894567206441 is an equidigital number, since it uses as much as digits as its factorization.

12894567206441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23224320, while the sum is 59.

The spelling of 12894567206441 in words is "twelve trillion, eight hundred ninety-four billion, five hundred sixty-seven million, two hundred six thousand, four hundred forty-one".