330244433140021 has 4 divisors (see below), whose sum is σ = 330274722468832. Its totient is φ = 330214143811212.

The previous prime is 330244433139989. The next prime is 330244433140033. The reversal of 330244433140021 is 120041334442033.

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 330244433140021 - 2⁵ = 330244433139989 is a prime.

It is a super-2 number, since 2×330244433140021² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (330244433140051) 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, 15144648051 + ... + 15144669856.

It is an arithmetic number, because the mean of its divisors is an integer number (82568680617208).

Almost surely, 2^{330244433140021} is an apocalyptic number.

It is an amenable number.

330244433140021 is a deficient number, since it is larger than the sum of its proper divisors (30289328811).

330244433140021 is a wasteful number, since it uses less digits than its factorization.

330244433140021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30289328810.

The product of its (nonzero) digits is 82944, while the sum is 34.

Adding to 330244433140021 its reverse (120041334442033), we get a palindrome (450285767582054).

The spelling of 330244433140021 in words is "three hundred thirty trillion, two hundred forty-four billion, four hundred thirty-three million, one hundred forty thousand, twenty-one".