3684640464863 has 4 divisors (see below), whose sum is σ = 3687003930480. Its totient is φ = 3682276999248.

The previous prime is 3684640464809. The next prime is 3684640464887.

3684640464863 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 3684640464863 - 2¹⁴ = 3684640448479 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3684640464796 and 3684640464805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3684640464893) 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, 1181730470 + ... + 1181733587.

It is an arithmetic number, because the mean of its divisors is an integer number (921750982620).

Almost surely, 2^{3684640464863} is an apocalyptic number.

3684640464863 is a deficient number, since it is larger than the sum of its proper divisors (2363465617).

3684640464863 is a wasteful number, since it uses less digits than its factorization.

3684640464863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2363465616.

The product of its (nonzero) digits is 191102976, while the sum is 62.

The spelling of 3684640464863 in words is "three trillion, six hundred eighty-four billion, six hundred forty million, four hundred sixty-four thousand, eight hundred sixty-three".