10645426326439 has 2 divisors, whose sum is σ = 10645426326440. Its totient is φ = 10645426326438.

The previous prime is 10645426326389. The next prime is 10645426326487. The reversal of 10645426326439 is 93462362454601.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10645426326439 - 2⁹ = 10645426325927 is a prime.

It is a super-2 number, since 2×10645426326439² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10645426326439.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10645426396439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5322713163219 + 5322713163220.

It is an arithmetic number, because the mean of its divisors is an integer number (5322713163220).

Almost surely, 2^{10645426326439} is an apocalyptic number.

10645426326439 is a deficient number, since it is larger than the sum of its proper divisors (1).

10645426326439 is an equidigital number, since it uses as much as digits as its factorization.

10645426326439 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22394880, while the sum is 55.

The spelling of 10645426326439 in words is "ten trillion, six hundred forty-five billion, four hundred twenty-six million, three hundred twenty-six thousand, four hundred thirty-nine".