3836642816 has 20 divisors (see below), whose sum is σ = 7665793212. Its totient is φ = 1918321152.

The previous prime is 3836642809. The next prime is 3836642867. The reversal of 3836642816 is 6182466383.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3746210 + ... + 3747233.

Almost surely, 2^3836642816 is an apocalyptic number.

It is an amenable number.

3836642816 is a deficient number, since it is larger than the sum of its proper divisors (3829150396).

3836642816 is an frugal number, since it uses more digits than its factorization.

3836642816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7493461 (or 7493445 counting only the distinct ones).

The product of its digits is 995328, while the sum is 47.

The square root of 3836642816 is about 61940.6394542388. The cubic root of 3836642816 is about 1565.4905716408.

The spelling of 3836642816 in words is "three billion, eight hundred thirty-six million, six hundred forty-two thousand, eight hundred sixteen".