320003219947 has 2 divisors, whose sum is σ = 320003219948. Its totient is φ = 320003219946.

The previous prime is 320003219917. The next prime is 320003219981. The reversal of 320003219947 is 749912300023.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 320003219947 - 2³⁵ = 285643481579 is a prime.

It is not a weakly prime, because it can be changed into another prime (320003219917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160001609973 + 160001609974.

It is an arithmetic number, because the mean of its divisors is an integer number (160001609974).

Almost surely, 2^320003219947 is an apocalyptic number.

320003219947 is a deficient number, since it is larger than the sum of its proper divisors (1).

320003219947 is an equidigital number, since it uses as much as digits as its factorization.

320003219947 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 81648, while the sum is 40.

The spelling of 320003219947 in words is "three hundred twenty billion, three million, two hundred nineteen thousand, nine hundred forty-seven".