3556385985 has 8 divisors (see below), whose sum is σ = 5690217600. Its totient is φ = 1896739184.

The previous prime is 3556385983. The next prime is 3556386107. The reversal of 3556385985 is 5895836553.

3556385985 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 3556385985 - 2¹ = 3556385983 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3556385983) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118546185 + ... + 118546214.

It is an arithmetic number, because the mean of its divisors is an integer number (711277200).

Almost surely, 2^3556385985 is an apocalyptic number.

It is an amenable number.

3556385985 is a deficient number, since it is larger than the sum of its proper divisors (2133831615).

3556385985 is a wasteful number, since it uses less digits than its factorization.

3556385985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237092407.

The product of its digits is 19440000, while the sum is 57.

The square root of 3556385985 is about 59635.4423560352. The cubic root of 3556385985 is about 1526.4044730396.

The spelling of 3556385985 in words is "three billion, five hundred fifty-six million, three hundred eighty-five thousand, nine hundred eighty-five".