3371681021 has 4 divisors (see below), whose sum is σ = 3518275872. Its totient is φ = 3225086172.

The previous prime is 3371681017. The next prime is 3371681063. The reversal of 3371681021 is 1201861733.

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 3371681021 - 2² = 3371681017 is a prime.

It is a super-2 number, since 2×3371681021² = 22736465814743204882, 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 (3371684021) 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, 73297391 + ... + 73297436.

It is an arithmetic number, because the mean of its divisors is an integer number (879568968).

Almost surely, 2^3371681021 is an apocalyptic number.

It is an amenable number.

3371681021 is a deficient number, since it is larger than the sum of its proper divisors (146594851).

3371681021 is a wasteful number, since it uses less digits than its factorization.

3371681021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146594850.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 3371681021 is about 58066.1779437910. The cubic root of 3371681021 is about 1499.5081381396.

The spelling of 3371681021 in words is "three billion, three hundred seventy-one million, six hundred eighty-one thousand, twenty-one".