304000839643 has 2 divisors, whose sum is σ = 304000839644. Its totient is φ = 304000839642.

The previous prime is 304000839631. The next prime is 304000839719. The reversal of 304000839643 is 346938000403.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-304000839643 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 304000839596 and 304000839605.

It is not a weakly prime, because it can be changed into another prime (304000839343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152000419821 + 152000419822.

It is an arithmetic number, because the mean of its divisors is an integer number (152000419822).

Almost surely, 2^304000839643 is an apocalyptic number.

304000839643 is a deficient number, since it is larger than the sum of its proper divisors (1).

304000839643 is an equidigital number, since it uses as much as digits as its factorization.

304000839643 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 186624, while the sum is 40.

The spelling of 304000839643 in words is "three hundred four billion, eight hundred thirty-nine thousand, six hundred forty-three".