3556643544323 has 4 divisors (see below), whose sum is σ = 3570482624520. Its totient is φ = 3542804464128.

The previous prime is 3556643544247. The next prime is 3556643544373. The reversal of 3556643544323 is 3234453466553.

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 3556643544323 - 2²⁶ = 3556576435459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3556643544373) 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, 6919539713 + ... + 6919540226.

It is an arithmetic number, because the mean of its divisors is an integer number (892620656130).

Almost surely, 2^{3556643544323} is an apocalyptic number.

3556643544323 is a deficient number, since it is larger than the sum of its proper divisors (13839080197).

3556643544323 is a wasteful number, since it uses less digits than its factorization.

3556643544323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13839080196.

The product of its digits is 46656000, while the sum is 53.

The spelling of 3556643544323 in words is "three trillion, five hundred fifty-six billion, six hundred forty-three million, five hundred forty-four thousand, three hundred twenty-three".