304054521421 has 16 divisors (see below), whose sum is σ = 351709198848. Its totient is φ = 257454990000.

The previous prime is 304054521403. The next prime is 304054521427. The reversal of 304054521421 is 124125450403.

It is a cyclic number.

It is not a de Polignac number, because 304054521421 - 2⁷ = 304054521293 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (304054521427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10380046 + ... + 10409296.

It is an arithmetic number, because the mean of its divisors is an integer number (21981824928).

Almost surely, 2^304054521421 is an apocalyptic number.

It is an amenable number.

304054521421 is a deficient number, since it is larger than the sum of its proper divisors (47654677427).

304054521421 is a wasteful number, since it uses less digits than its factorization.

304054521421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47232.

The product of its (nonzero) digits is 19200, while the sum is 31.

Adding to 304054521421 its reverse (124125450403), we get a palindrome (428179971824).

The spelling of 304054521421 in words is "three hundred four billion, fifty-four million, five hundred twenty-one thousand, four hundred twenty-one".