1026641245243 has 2 divisors, whose sum is σ = 1026641245244. Its totient is φ = 1026641245242.

The previous prime is 1026641245237. The next prime is 1026641245261. The reversal of 1026641245243 is 3425421466201.

1026641245243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1026641245243 - 2⁹ = 1026641244731 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1026641245196 and 1026641245205.

It is not a weakly prime, because it can be changed into another prime (1026641245283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 513320622621 + 513320622622.

It is an arithmetic number, because the mean of its divisors is an integer number (513320622622).

Almost surely, 2^{1026641245243} is an apocalyptic number.

1026641245243 is a deficient number, since it is larger than the sum of its proper divisors (1).

1026641245243 is an equidigital number, since it uses as much as digits as its factorization.

1026641245243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 276480, while the sum is 40.

The spelling of 1026641245243 in words is "one trillion, twenty-six billion, six hundred forty-one million, two hundred forty-five thousand, two hundred forty-three".