3626386685 has 4 divisors (see below), whose sum is σ = 4351664028. Its totient is φ = 2901109344.

The previous prime is 3626386669. The next prime is 3626386697. The reversal of 3626386685 is 5866836263.

It is a happy number.

3626386685 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2356034521 + 1270352164 = 48539^2 + 35642^2 .

It is a cyclic number.

It is not a de Polignac number, because 3626386685 - 2⁴ = 3626386669 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 3 ways as a sum of consecutive naturals, for example, 362638664 + ... + 362638673.

It is an arithmetic number, because the mean of its divisors is an integer number (1087916007).

Almost surely, 2^3626386685 is an apocalyptic number.

It is an amenable number.

3626386685 is a deficient number, since it is larger than the sum of its proper divisors (725277343).

3626386685 is an equidigital number, since it uses as much as digits as its factorization.

3626386685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 725277342.

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

The square root of 3626386685 is about 60219.4875850003. The cubic root of 3626386685 is about 1536.3542653731.

The spelling of 3626386685 in words is "three billion, six hundred twenty-six million, three hundred eighty-six thousand, six hundred eighty-five".