3665362635663 has 4 divisors (see below), whose sum is σ = 4887150180888. Its totient is φ = 2443575090440.

The previous prime is 3665362635607. The next prime is 3665362635673.

3665362635663 is nontrivially palindromic in base 10.

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

It is a cyclic number.

It is not a de Polignac number, because 3665362635663 - 2¹³ = 3665362627471 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3665362635597 and 3665362635606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3665362635673) 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, 610893772608 + ... + 610893772613.

It is an arithmetic number, because the mean of its divisors is an integer number (1221787545222).

Almost surely, 2^{3665362635663} is an apocalyptic number.

3665362635663 is a deficient number, since it is larger than the sum of its proper divisors (1221787545225).

3665362635663 is a wasteful number, since it uses less digits than its factorization.

3665362635663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1221787545224.

The product of its digits is 188956800, while the sum is 60.

The spelling of 3665362635663 in words is "three trillion, six hundred sixty-five billion, three hundred sixty-two million, six hundred thirty-five thousand, six hundred sixty-three".