304424043409 has 2 divisors, whose sum is σ = 304424043410. Its totient is φ = 304424043408.

The previous prime is 304424043389. The next prime is 304424043439. The reversal of 304424043409 is 904340424403.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 154889473600 + 149534569809 = 393560^2 + 386697^2 .

It is a cyclic number.

It is not a de Polignac number, because 304424043409 - 2²⁷ = 304289825681 is a prime.

It is not a weakly prime, because it can be changed into another prime (304424043439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152212021704 + 152212021705.

It is an arithmetic number, because the mean of its divisors is an integer number (152212021705).

Almost surely, 2^304424043409 is an apocalyptic number.

It is an amenable number.

304424043409 is a deficient number, since it is larger than the sum of its proper divisors (1).

304424043409 is an equidigital number, since it uses as much as digits as its factorization.

304424043409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 165888, while the sum is 37.

The spelling of 304424043409 in words is "three hundred four billion, four hundred twenty-four million, forty-three thousand, four hundred nine".