3609144859 has 16 divisors (see below), whose sum is σ = 3802176000. Its totient is φ = 3421214496.

The previous prime is 3609144841. The next prime is 3609144907. The reversal of 3609144859 is 9584419063.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 3609144859 - 2⁵ = 3609144827 is a prime.

It is a super-2 number, since 2×3609144859² = 26051853226492259762, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3609144839) 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 15 ways as a sum of consecutive naturals, for example, 387742 + ... + 396940.

It is an arithmetic number, because the mean of its divisors is an integer number (237636000).

Almost surely, 2^3609144859 is an apocalyptic number.

3609144859 is a deficient number, since it is larger than the sum of its proper divisors (193031141).

3609144859 is a wasteful number, since it uses less digits than its factorization.

3609144859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9474.

The product of its (nonzero) digits is 933120, while the sum is 49.

The square root of 3609144859 is about 60076.1588236132. The cubic root of 3609144859 is about 1533.9155066850.

The spelling of 3609144859 in words is "three billion, six hundred nine million, one hundred forty-four thousand, eight hundred fifty-nine".