3686632477201 has 4 divisors (see below), whose sum is σ = 3903493211172. Its totient is φ = 3469771743232.

The previous prime is 3686632477193. The next prime is 3686632477217. The reversal of 3686632477201 is 1027742366863.

It is a happy number.

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 3022733437201 + 663899040000 = 1738601^2 + 814800^2 .

It is a cyclic number.

It is not a de Polignac number, because 3686632477201 - 2³ = 3686632477193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3686632477291) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108430366960 + ... + 108430366993.

It is an arithmetic number, because the mean of its divisors is an integer number (975873302793).

Almost surely, 2^{3686632477201} is an apocalyptic number.

It is an amenable number.

3686632477201 is a deficient number, since it is larger than the sum of its proper divisors (216860733971).

3686632477201 is a wasteful number, since it uses less digits than its factorization.

3686632477201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216860733970.

The product of its (nonzero) digits is 12192768, while the sum is 55.

The spelling of 3686632477201 in words is "three trillion, six hundred eighty-six billion, six hundred thirty-two million, four hundred seventy-seven thousand, two hundred one".