3663673732723 has 4 divisors (see below), whose sum is σ = 3664180542240. Its totient is φ = 3663166923208.

The previous prime is 3663673732717. The next prime is 3663673732753. The reversal of 3663673732723 is 3272373763663.

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 3663673732723 - 2³³ = 3655083798131 is a prime.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3663673732703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 253393915 + ... + 253408372.

It is an arithmetic number, because the mean of its divisors is an integer number (916045135560).

Almost surely, 2^{3663673732723} is an apocalyptic number.

3663673732723 is a deficient number, since it is larger than the sum of its proper divisors (506809517).

3663673732723 is an equidigital number, since it uses as much as digits as its factorization.

3663673732723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 506809516.

The product of its digits is 72013536, while the sum is 58.

The spelling of 3663673732723 in words is "three trillion, six hundred sixty-three billion, six hundred seventy-three million, seven hundred thirty-two thousand, seven hundred twenty-three".