3321009973 has 4 divisors (see below), whose sum is σ = 3330864940. Its totient is φ = 3311155008.

The previous prime is 3321009949. The next prime is 3321010001. The reversal of 3321009973 is 3799001233.

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 1488570724 + 1832439249 = 38582^2 + 42807^2 .

It is a cyclic number.

It is not a de Polignac number, because 3321009973 - 2⁵ = 3321009941 is a prime.

It is a super-2 number, since 2×3321009973² = 22058214481530921458, 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 (3321009073) 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, 4926978 + ... + 4927651.

It is an arithmetic number, because the mean of its divisors is an integer number (832716235).

Almost surely, 2^3321009973 is an apocalyptic number.

It is an amenable number.

3321009973 is a deficient number, since it is larger than the sum of its proper divisors (9854967).

3321009973 is an equidigital number, since it uses as much as digits as its factorization.

3321009973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9854966.

The product of its (nonzero) digits is 30618, while the sum is 37.

The square root of 3321009973 is about 57628.2046657711. The cubic root of 3321009973 is about 1491.9584434335.

The spelling of 3321009973 in words is "three billion, three hundred twenty-one million, nine thousand, nine hundred seventy-three".