4139543213 has 4 divisors (see below), whose sum is σ = 4457969628. Its totient is φ = 3821116800.

The previous prime is 4139543203. The next prime is 4139543227. The reversal of 4139543213 is 3123459314.

4139543213 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, and also an emirpimes, since its reverse is a distinct semiprime: 3123459314 = 2 ⋅1561729657.

It can be written as a sum of positive squares in 2 ways, for example, as 2779187524 + 1360355689 = 52718^2 + 36883^2 .

It is a cyclic number.

It is not a de Polignac number, because 4139543213 - 2¹⁶ = 4139477677 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 (4139543203) 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, 159213188 + ... + 159213213.

It is an arithmetic number, because the mean of its divisors is an integer number (1114492407).

Almost surely, 2^4139543213 is an apocalyptic number.

It is an amenable number.

4139543213 is a deficient number, since it is larger than the sum of its proper divisors (318426415).

4139543213 is a wasteful number, since it uses less digits than its factorization.

4139543213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318426414.

The product of its digits is 38880, while the sum is 35.

The square root of 4139543213 is about 64339.2820367153. The cubic root of 4139543213 is about 1605.6497161537.

The spelling of 4139543213 in words is "four billion, one hundred thirty-nine million, five hundred forty-three thousand, two hundred thirteen".