3406481605 has 4 divisors (see below), whose sum is σ = 4087777932. Its totient is φ = 2725185280.

The previous prime is 3406481569. The next prime is 3406481623. The reversal of 3406481605 is 5061846043.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5061846043 = 257 ⋅19695899.

It can be written as a sum of positive squares in 2 ways, for example, as 1735388964 + 1671092641 = 41658^2 + 40879^2 .

It is not a de Polignac number, because 3406481605 - 2⁹ = 3406481093 is a prime.

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 3 ways as a sum of consecutive naturals, for example, 340648156 + ... + 340648165.

It is an arithmetic number, because the mean of its divisors is an integer number (1021944483).

Almost surely, 2^3406481605 is an apocalyptic number.

It is an amenable number.

3406481605 is a deficient number, since it is larger than the sum of its proper divisors (681296327).

3406481605 is an equidigital number, since it uses as much as digits as its factorization.

3406481605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 681296326.

The product of its (nonzero) digits is 69120, while the sum is 37.

The square root of 3406481605 is about 58365.0717895558. The cubic root of 3406481605 is about 1504.6495146000.

The spelling of 3406481605 in words is "three billion, four hundred six million, four hundred eighty-one thousand, six hundred five".