3300745021 has 4 divisors (see below), whose sum is σ = 3772280032. Its totient is φ = 2829210012.

The previous prime is 3300745009. The next prime is 3300745027. The reversal of 3300745021 is 1205470033.

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 3300745021 - 2⁹ = 3300744509 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 (3300745027) 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, 235767495 + ... + 235767508.

It is an arithmetic number, because the mean of its divisors is an integer number (943070008).

Almost surely, 2^3300745021 is an apocalyptic number.

It is an amenable number.

3300745021 is a deficient number, since it is larger than the sum of its proper divisors (471535011).

3300745021 is an equidigital number, since it uses as much as digits as its factorization.

3300745021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 471535010.

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 3300745021 is about 57452.1106748917. The cubic root of 3300745021 is about 1488.9175840589.

The spelling of 3300745021 in words is "three billion, three hundred million, seven hundred forty-five thousand, twenty-one".