3609289645 has 16 divisors (see below), whose sum is σ = 4670789760. Its totient is φ = 2661620544.

The previous prime is 3609289633. The next prime is 3609289657. The reversal of 3609289645 is 5469829063.

It is an interprime number because it is at equal distance from previous prime (3609289633) and next prime (3609289657).

It is a cyclic number.

It is not a de Polignac number, because 3609289645 - 2⁵ = 3609289613 is a prime.

It is a super-3 number, since 3×3609289645³ (a number of 30 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3609289592 and 3609289601.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9066 + ... + 85444.

It is an arithmetic number, because the mean of its divisors is an integer number (291924360).

Almost surely, 2^3609289645 is an apocalyptic number.

It is an amenable number.

3609289645 is a deficient number, since it is larger than the sum of its proper divisors (1061500115).

3609289645 is a wasteful number, since it uses less digits than its factorization.

3609289645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77124.

The product of its (nonzero) digits is 2799360, while the sum is 52.

The square root of 3609289645 is about 60077.3638319792. The cubic root of 3609289645 is about 1533.9360181477.

The spelling of 3609289645 in words is "three billion, six hundred nine million, two hundred eighty-nine thousand, six hundred forty-five".