3321565013 has 4 divisors (see below), whose sum is σ = 3577070028. Its totient is φ = 3066060000.

The previous prime is 3321565007. The next prime is 3321565061. The reversal of 3321565013 is 3105651233.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3105651233 = 1063 ⋅2921591.

It can be written as a sum of positive squares in 2 ways, for example, as 446138884 + 2875426129 = 21122^2 + 53623^2 .

It is a cyclic number.

It is not a de Polignac number, because 3321565013 - 2⁴ = 3321564997 is a prime.

It is a super-2 number, since 2×3321565013² = 22065588271171380338, 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 (3321565003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 127752488 + ... + 127752513.

It is an arithmetic number, because the mean of its divisors is an integer number (894267507).

Almost surely, 2^3321565013 is an apocalyptic number.

It is an amenable number.

3321565013 is a deficient number, since it is larger than the sum of its proper divisors (255505015).

3321565013 is a wasteful number, since it uses less digits than its factorization.

3321565013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255505014.

The product of its (nonzero) digits is 8100, while the sum is 29.

The square root of 3321565013 is about 57633.0201620564. The cubic root of 3321565013 is about 1492.0415557490.

The spelling of 3321565013 in words is "three billion, three hundred twenty-one million, five hundred sixty-five thousand, thirteen".