3539243789 has 4 divisors (see below), whose sum is σ = 3540515580. Its totient is φ = 3537972000.

The previous prime is 3539243783. The next prime is 3539243801. The reversal of 3539243789 is 9873429353.

3539243789 is digitally balanced in base 2, 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, and also an emirpimes, since its reverse is a distinct semiprime: 9873429353 = 113 ⋅87375481.

It can be written as a sum of positive squares in 2 ways, for example, as 3016755625 + 522488164 = 54925^2 + 22858^2 .

It is a cyclic number.

It is not a de Polignac number, because 3539243789 - 2²⁴ = 3522466573 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 3539243789.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3539243783) 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, 631712 + ... + 637289.

It is an arithmetic number, because the mean of its divisors is an integer number (885128895).

Almost surely, 2^3539243789 is an apocalyptic number.

It is an amenable number.

3539243789 is a deficient number, since it is larger than the sum of its proper divisors (1271791).

3539243789 is a wasteful number, since it uses less digits than its factorization.

3539243789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1271790.

The product of its digits is 4898880, while the sum is 53.

The square root of 3539243789 is about 59491.5438444826. The cubic root of 3539243789 is about 1523.9480393977.

The spelling of 3539243789 in words is "three billion, five hundred thirty-nine million, two hundred forty-three thousand, seven hundred eighty-nine".