3539399543 has 4 divisors (see below), whose sum is σ = 3541611888. Its totient is φ = 3537187200.

The previous prime is 3539399537. The next prime is 3539399587. The reversal of 3539399543 is 3459939353.

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 3539399543 - 2²⁸ = 3270964087 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 (3539399533) 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, 1103771 + ... + 1106972.

It is an arithmetic number, because the mean of its divisors is an integer number (885402972).

Almost surely, 2^3539399543 is an apocalyptic number.

3539399543 is a deficient number, since it is larger than the sum of its proper divisors (2212345).

3539399543 is a wasteful number, since it uses less digits than its factorization.

3539399543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2212344.

The product of its digits is 5904900, while the sum is 53.

The square root of 3539399543 is about 59492.8528732654. The cubic root of 3539399543 is about 1523.9703942221.

The spelling of 3539399543 in words is "three billion, five hundred thirty-nine million, three hundred ninety-nine thousand, five hundred forty-three".