6538923829 has 4 divisors (see below), whose sum is σ = 6549951276. Its totient is φ = 6527896384.

The previous prime is 6538923821. The next prime is 6538923847. The reversal of 6538923829 is 9283298356.

6538923829 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 can be written as a sum of positive squares in 2 ways, for example, as 4664207025 + 1874716804 = 68295^2 + 43298^2 .

It is a cyclic number.

It is not a de Polignac number, because 6538923829 - 2³ = 6538923821 is a prime.

It is a super-4 number, since 4×6538923829⁴ (a number of 40 digits) contains 4444 as substring.

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 6538923829.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6538923821) 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, 5512834 + ... + 5514019.

It is an arithmetic number, because the mean of its divisors is an integer number (1637487819).

Almost surely, 2^6538923829 is an apocalyptic number.

It is an amenable number.

6538923829 is a deficient number, since it is larger than the sum of its proper divisors (11027447).

6538923829 is a wasteful number, since it uses less digits than its factorization.

6538923829 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11027446.

The product of its digits is 5598720, while the sum is 55.

The square root of 6538923829 is about 80863.6125151480. The cubic root of 6538923829 is about 1869.9733883370.

It can be divided in two parts, 653892 and 3829, that added together give a square (657721 = 811²).

The spelling of 6538923829 in words is "six billion, five hundred thirty-eight million, nine hundred twenty-three thousand, eight hundred twenty-nine".