3654159643 has 4 divisors (see below), whose sum is σ = 3656645248. Its totient is φ = 3651674040.

The previous prime is 3654159637. The next prime is 3654159647. The reversal of 3654159643 is 3469514563.

3654159643 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 3654159643 - 2¹⁷ = 3654028571 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3654159593 and 3654159602.

It is not an unprimeable number, because it can be changed into a prime (3654159647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1240596 + ... + 1243537.

It is an arithmetic number, because the mean of its divisors is an integer number (914161312).

Almost surely, 2^3654159643 is an apocalyptic number.

3654159643 is a deficient number, since it is larger than the sum of its proper divisors (2485605).

3654159643 is a wasteful number, since it uses less digits than its factorization.

3654159643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2485604.

The product of its digits is 1166400, while the sum is 46.

The square root of 3654159643 is about 60449.6455159168. The cubic root of 3654159643 is about 1540.2663904998.

The spelling of 3654159643 in words is "three billion, six hundred fifty-four million, one hundred fifty-nine thousand, six hundred forty-three".