3917164609 has 4 divisors (see below), whose sum is σ = 3926469460. Its totient is φ = 3907859760.

The previous prime is 3917164607. The next prime is 3917164613. The reversal of 3917164609 is 9064617193.

It is a happy number.

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 11289600 + 3905875009 = 3360^2 + 62497^2 .

It is a cyclic number.

It is not a de Polignac number, because 3917164609 - 2¹ = 3917164607 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3917164607) 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, 4651794 + ... + 4652635.

It is an arithmetic number, because the mean of its divisors is an integer number (981617365).

Almost surely, 2^3917164609 is an apocalyptic number.

It is an amenable number.

3917164609 is a deficient number, since it is larger than the sum of its proper divisors (9304851).

3917164609 is an equidigital number, since it uses as much as digits as its factorization.

3917164609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9304850.

The product of its (nonzero) digits is 244944, while the sum is 46.

The square root of 3917164609 is about 62587.2559631751. The cubic root of 3917164609 is about 1576.3667798418.

The spelling of 3917164609 in words is "three billion, nine hundred seventeen million, one hundred sixty-four thousand, six hundred nine".