330041421421 has 4 divisors (see below), whose sum is σ = 330872760412. Its totient is φ = 329210082432.

The previous prime is 330041421329. The next prime is 330041421427. The reversal of 330041421421 is 124124140033.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 271435790025 + 58605631396 = 520995^2 + 242086^2 .

It is a cyclic number.

It is not a de Polignac number, because 330041421421 - 2⁷ = 330041421293 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 (330041421427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 415668900 + ... + 415669693.

It is an arithmetic number, because the mean of its divisors is an integer number (82718190103).

Almost surely, 2^330041421421 is an apocalyptic number.

It is an amenable number.

330041421421 is a deficient number, since it is larger than the sum of its proper divisors (831338991).

330041421421 is an equidigital number, since it uses as much as digits as its factorization.

330041421421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 831338990.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 330041421421 its reverse (124124140033), we get a palindrome (454165561454).

The spelling of 330041421421 in words is "three hundred thirty billion, forty-one million, four hundred twenty-one thousand, four hundred twenty-one".