3685662756801 has 12 divisors (see below), whose sum is σ = 5330499696912. Its totient is φ = 2453986379736.

The previous prime is 3685662756733. The next prime is 3685662756833. The reversal of 3685662756801 is 1086572665863.

3685662756801 is a `hidden beast` number, since 3 + 6 + 8 + 5 + 6 + 62 + 7 + 568 + 0 + 1 = 666.

3685662756801 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3685662756801 - 2³⁷ = 3548223803329 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3685662756851) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 260169591 + ... + 260183756.

It is an arithmetic number, because the mean of its divisors is an integer number (444208308076).

Almost surely, 2^{3685662756801} is an apocalyptic number.

It is an amenable number.

3685662756801 is a deficient number, since it is larger than the sum of its proper divisors (1644836940111).

3685662756801 is a wasteful number, since it uses less digits than its factorization.

3685662756801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 520354140 (or 520354137 counting only the distinct ones).

The product of its (nonzero) digits is 87091200, while the sum is 63.

Adding to 3685662756801 its sum of digits (63), we get a square (3685662756864 = 1919808²).

The spelling of 3685662756801 in words is "three trillion, six hundred eighty-five billion, six hundred sixty-two million, seven hundred fifty-six thousand, eight hundred one".