320437336552859 has 2 divisors, whose sum is σ = 320437336552860. Its totient is φ = 320437336552858.

The previous prime is 320437336552849. The next prime is 320437336552901. The reversal of 320437336552859 is 958255633734023.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (958255633734023) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 320437336552859 - 2³² = 320433041585563 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 320437336552795 and 320437336552804.

It is not a weakly prime, because it can be changed into another prime (320437336552829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160218668276429 + 160218668276430.

It is an arithmetic number, because the mean of its divisors is an integer number (160218668276430).

Almost surely, 2^{320437336552859} is an apocalyptic number.

320437336552859 is a deficient number, since it is larger than the sum of its proper divisors (1).

320437336552859 is an equidigital number, since it uses as much as digits as its factorization.

320437336552859 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 489888000, while the sum is 65.

The spelling of 320437336552859 in words is "three hundred twenty trillion, four hundred thirty-seven billion, three hundred thirty-six million, five hundred fifty-two thousand, eight hundred fifty-nine".