3357044021 has 4 divisors (see below), whose sum is σ = 3387842700. Its totient is φ = 3326245344.

The previous prime is 3357044011. The next prime is 3357044023. The reversal of 3357044021 is 1204407533.

It is a happy number.

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 1340584996 + 2016459025 = 36614^2 + 44905^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3357044021 is a prime.

It is a super-2 number, since 2×3357044021² = 22539489117863696882, which 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 (3357044023) 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, 15399176 + ... + 15399393.

It is an arithmetic number, because the mean of its divisors is an integer number (846960675).

Almost surely, 2^3357044021 is an apocalyptic number.

It is an amenable number.

3357044021 is a deficient number, since it is larger than the sum of its proper divisors (30798679).

3357044021 is a wasteful number, since it uses less digits than its factorization.

3357044021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30798678.

The product of its (nonzero) digits is 10080, while the sum is 29.

The square root of 3357044021 is about 57940.0036330686. The cubic root of 3357044021 is about 1497.3351233884.

The spelling of 3357044021 in words is "three billion, three hundred fifty-seven million, forty-four thousand, twenty-one".