3656452885 has 8 divisors (see below), whose sum is σ = 4389360696. Its totient is φ = 2924084160.

The previous prime is 3656452879. The next prime is 3656452897. The reversal of 3656452885 is 5882546563.

3656452885 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 872729764 + 2783723121 = 29542^2 + 52761^2 .

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

It is a de Polignac number, because none of the positive numbers 2^k-3656452885 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 7 ways as a sum of consecutive naturals, for example, 119694 + ... + 147103.

It is an arithmetic number, because the mean of its divisors is an integer number (548670087).

Almost surely, 2^3656452885 is an apocalyptic number.

It is an amenable number.

3656452885 is a deficient number, since it is larger than the sum of its proper divisors (732907811).

3656452885 is a wasteful number, since it uses less digits than its factorization.

3656452885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269543.

The product of its digits is 6912000, while the sum is 52.

The square root of 3656452885 is about 60468.6107414417. The cubic root of 3656452885 is about 1540.5885315918.

The spelling of 3656452885 in words is "three billion, six hundred fifty-six million, four hundred fifty-two thousand, eight hundred eighty-five".