3654644200243 has 8 divisors (see below), whose sum is σ = 3659739551856. Its totient is φ = 3649551590400.

The previous prime is 3654644200223. The next prime is 3654644200267. The reversal of 3654644200243 is 3420024464563.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3654644200243 - 2¹⁷ = 3654644069171 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3654644200243.

It is not an unprimeable number, because it can be changed into a prime (3654644200223) 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 7 ways as a sum of consecutive naturals, for example, 1989583 + ... + 3356743.

It is an arithmetic number, because the mean of its divisors is an integer number (457467443982).

Almost surely, 2^{3654644200243} is an apocalyptic number.

3654644200243 is a deficient number, since it is larger than the sum of its proper divisors (5095351613).

3654644200243 is a wasteful number, since it uses less digits than its factorization.

3654644200243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1370885.

The product of its (nonzero) digits is 1658880, while the sum is 43.

The spelling of 3654644200243 in words is "three trillion, six hundred fifty-four billion, six hundred forty-four million, two hundred thousand, two hundred forty-three".