3691347568 has 20 divisors (see below), whose sum is σ = 7382696128. Its totient is φ = 1786135680.

The previous prime is 3691347553. The next prime is 3691347593. The reversal of 3691347568 is 8657431963.

It is a happy number.

3691347568 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

3691347568 is an admirable 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, 3720621 + ... + 3721612.

Almost surely, 2^3691347568 is an apocalyptic number.

It is an amenable number.

3691347568 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3691347568 is a wasteful number, since it uses less digits than its factorization.

3691347568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7442272 (or 7442266 counting only the distinct ones).

The product of its digits is 3265920, while the sum is 52.

The square root of 3691347568 is about 60756.4611214314. The cubic root of 3691347568 is about 1545.4737979156.

The spelling of 3691347568 in words is "three billion, six hundred ninety-one million, three hundred forty-seven thousand, five hundred sixty-eight".