304405074421 has 4 divisors (see below), whose sum is σ = 347891513632. Its totient is φ = 260918635212.

The previous prime is 304405074383. The next prime is 304405074427. The reversal of 304405074421 is 124470504403.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 304405074421 - 2⁹ = 304405073909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (304405074427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21743219595 + ... + 21743219608.

It is an arithmetic number, because the mean of its divisors is an integer number (86972878408).

Almost surely, 2^304405074421 is an apocalyptic number.

It is an amenable number.

304405074421 is a deficient number, since it is larger than the sum of its proper divisors (43486439211).

304405074421 is an equidigital number, since it uses as much as digits as its factorization.

304405074421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43486439210.

The product of its (nonzero) digits is 53760, while the sum is 34.

Adding to 304405074421 its reverse (124470504403), we get a palindrome (428875578824).

The spelling of 304405074421 in words is "three hundred four billion, four hundred five million, seventy-four thousand, four hundred twenty-one".