3421565605 has 8 divisors (see below), whose sum is σ = 4347401112. Its totient is φ = 2576237568.

The previous prime is 3421565597. The next prime is 3421565617. The reversal of 3421565605 is 5065651243.

It can be written as a sum of positive squares in 4 ways, for example, as 1718682849 + 1702882756 = 41457^2 + 41266^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3421565605 - 2³ = 3421565597 is a prime.

It is a super-2 number, since 2×3421565605² = 23414222378638032050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20126772 + ... + 20126941.

It is an arithmetic number, because the mean of its divisors is an integer number (543425139).

Almost surely, 2^3421565605 is an apocalyptic number.

It is an amenable number.

3421565605 is a deficient number, since it is larger than the sum of its proper divisors (925835507).

3421565605 is a wasteful number, since it uses less digits than its factorization.

3421565605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40253735.

The product of its (nonzero) digits is 108000, while the sum is 37.

The square root of 3421565605 is about 58494.1501776032. The cubic root of 3421565605 is about 1506.8671219301.

The spelling of 3421565605 in words is "three billion, four hundred twenty-one million, five hundred sixty-five thousand, six hundred five".