6438148829 has 8 divisors (see below), whose sum is σ = 7790701248. Its totient is φ = 5193800640.

The previous prime is 6438148811. The next prime is 6438148831. The reversal of 6438148829 is 9288418346.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6438148829 - 2⁸ = 6438148573 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6438148859) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27050927 + ... + 27051164.

It is an arithmetic number, because the mean of its divisors is an integer number (973837656).

Almost surely, 2^6438148829 is an apocalyptic number.

It is an amenable number.

6438148829 is a deficient number, since it is larger than the sum of its proper divisors (1352552419).

6438148829 is a wasteful number, since it uses less digits than its factorization.

6438148829 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54102115.

The product of its digits is 2654208, while the sum is 53.

The square root of 6438148829 is about 80238.0759303213. The cubic root of 6438148829 is about 1860.3172108041.

The spelling of 6438148829 in words is "six billion, four hundred thirty-eight million, one hundred forty-eight thousand, eight hundred twenty-nine".