3946542559 has 4 divisors (see below), whose sum is σ = 4011240040. Its totient is φ = 3881845080.

The previous prime is 3946542557. The next prime is 3946542631. The reversal of 3946542559 is 9552456493.

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 3946542559 - 2¹ = 3946542557 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3946542553) 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, 32348649 + ... + 32348770.

It is an arithmetic number, because the mean of its divisors is an integer number (1002810010).

Almost surely, 2^3946542559 is an apocalyptic number.

3946542559 is a deficient number, since it is larger than the sum of its proper divisors (64697481).

3946542559 is an equidigital number, since it uses as much as digits as its factorization.

3946542559 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64697480.

The product of its digits is 5832000, while the sum is 52.

The square root of 3946542559 is about 62821.5135045312. The cubic root of 3946542559 is about 1580.2977806257.

The spelling of 3946542559 in words is "three billion, nine hundred forty-six million, five hundred forty-two thousand, five hundred fifty-nine".