306144233466421 has 8 divisors (see below), whose sum is σ = 350120920188800. Its totient is φ = 262227995800848.

The previous prime is 306144233466391. The next prime is 306144233466427. The reversal of 306144233466421 is 124664332441603.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 306144233466421 - 2⁷ = 306144233466293 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 (306144233466427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15112253346 + ... + 15112273603.

It is an arithmetic number, because the mean of its divisors is an integer number (43765115023600).

Almost surely, 2^{306144233466421} is an apocalyptic number.

It is an amenable number.

306144233466421 is a deficient number, since it is larger than the sum of its proper divisors (43976686722379).

306144233466421 is a wasteful number, since it uses less digits than its factorization.

306144233466421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30224528403.

The product of its (nonzero) digits is 5971968, while the sum is 49.

The spelling of 306144233466421 in words is "three hundred six trillion, one hundred forty-four billion, two hundred thirty-three million, four hundred sixty-six thousand, four hundred twenty-one".