3321408969 has 20 divisors (see below), whose sum is σ = 5029587156. Its totient is φ = 2183936256.

The previous prime is 3321408941. The next prime is 3321408991. The reversal of 3321408969 is 9698041233.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2765392569 + 556016400 = 52587^2 + 23580^2 .

It is not a de Polignac number, because 3321408969 - 2¹³ = 3321400777 is a prime.

It is a super-2 number, since 2×3321408969² = 22063515078707285922, which contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (3321408469) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 274944 + ... + 286769.

Almost surely, 2^3321408969 is an apocalyptic number.

It is an amenable number.

3321408969 is a deficient number, since it is larger than the sum of its proper divisors (1708178187).

3321408969 is an equidigital number, since it uses as much as digits as its factorization.

3321408969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 561798 (or 561789 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 45.

The square root of 3321408969 is about 57631.6663736179. Note that the first 3 decimals coincide. The cubic root of 3321408969 is about 1492.0181904801.

The spelling of 3321408969 in words is "three billion, three hundred twenty-one million, four hundred eight thousand, nine hundred sixty-nine".