12643601255459 has 2 divisors, whose sum is σ = 12643601255460. Its totient is φ = 12643601255458.

The previous prime is 12643601255431. The next prime is 12643601255473. The reversal of 12643601255459 is 95455210634621.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12643601255459 - 2⁸ = 12643601255203 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12643601255459.

It is not a weakly prime, because it can be changed into another prime (12643601255759) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6321800627729 + 6321800627730.

It is an arithmetic number, because the mean of its divisors is an integer number (6321800627730).

Almost surely, 2^{12643601255459} is an apocalyptic number.

12643601255459 is a deficient number, since it is larger than the sum of its proper divisors (1).

12643601255459 is an equidigital number, since it uses as much as digits as its factorization.

12643601255459 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776000, while the sum is 53.

The spelling of 12643601255459 in words is "twelve trillion, six hundred forty-three billion, six hundred one million, two hundred fifty-five thousand, four hundred fifty-nine".