320443606907 has 2 divisors, whose sum is σ = 320443606908. Its totient is φ = 320443606906.

The previous prime is 320443606891. The next prime is 320443606913. The reversal of 320443606907 is 709606344023.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 320443606907 - 2⁴ = 320443606891 is a prime.

It is not a weakly prime, because it can be changed into another prime (320443606607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160221803453 + 160221803454.

It is an arithmetic number, because the mean of its divisors is an integer number (160221803454).

Almost surely, 2^320443606907 is an apocalyptic number.

320443606907 is a deficient number, since it is larger than the sum of its proper divisors (1).

320443606907 is an equidigital number, since it uses as much as digits as its factorization.

320443606907 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 653184, while the sum is 44.

The spelling of 320443606907 in words is "three hundred twenty billion, four hundred forty-three million, six hundred six thousand, nine hundred seven".