305304220399 has 2 divisors, whose sum is σ = 305304220400. Its totient is φ = 305304220398.

The previous prime is 305304220393. The next prime is 305304220483. The reversal of 305304220399 is 993022403503.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 305304220399 - 2¹³ = 305304212207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (305304220393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152652110199 + 152652110200.

It is an arithmetic number, because the mean of its divisors is an integer number (152652110200).

Almost surely, 2^305304220399 is an apocalyptic number.

305304220399 is a deficient number, since it is larger than the sum of its proper divisors (1).

305304220399 is an equidigital number, since it uses as much as digits as its factorization.

305304220399 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 174960, while the sum is 40.

The spelling of 305304220399 in words is "three hundred five billion, three hundred four million, two hundred twenty thousand, three hundred ninety-nine".