3645264869 has 8 divisors (see below), whose sum is σ = 3724337280. Its totient is φ = 3566255616.

The previous prime is 3645264851. The next prime is 3645264911. The reversal of 3645264869 is 9684625463.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3645264869 is a prime.

It is a super-2 number, since 2×3645264869² = 26575911930331174322, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3645264869.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3645264829) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 111962 + ... + 140804.

It is an arithmetic number, because the mean of its divisors is an integer number (465542160).

Almost surely, 2^3645264869 is an apocalyptic number.

It is an amenable number.

3645264869 is a deficient number, since it is larger than the sum of its proper divisors (79072411).

3645264869 is a wasteful number, since it uses less digits than its factorization.

3645264869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31579.

The product of its digits is 7464960, while the sum is 53.

The square root of 3645264869 is about 60376.0289270502. The cubic root of 3645264869 is about 1539.0156284410.

The spelling of 3645264869 in words is "three billion, six hundred forty-five million, two hundred sixty-four thousand, eight hundred sixty-nine".