1304344219 has 2 divisors, whose sum is σ = 1304344220. Its totient is φ = 1304344218.

The previous prime is 1304344213. The next prime is 1304344259. The reversal of 1304344219 is 9124434031.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1304344219 - 2⁵ = 1304344187 is a prime.

It is a super-2 number, since 2×1304344219² = 3402627683277439922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1304344213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 652172109 + 652172110.

It is an arithmetic number, because the mean of its divisors is an integer number (652172110).

Almost surely, 2^1304344219 is an apocalyptic number.

1304344219 is a deficient number, since it is larger than the sum of its proper divisors (1).

1304344219 is an equidigital number, since it uses as much as digits as its factorization.

1304344219 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 1304344219 is about 36115.7059878386. The cubic root of 1304344219 is about 1092.6072364439.

The spelling of 1304344219 in words is "one billion, three hundred four million, three hundred forty-four thousand, two hundred nineteen".