6838407249 has 8 divisors (see below), whose sum is σ = 9597764640. Its totient is φ = 4318994016.

The previous prime is 6838407241. The next prime is 6838407259. The reversal of 6838407249 is 9427048386.

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

It is not a de Polignac number, because 6838407249 - 2³ = 6838407241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6838407241) 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, 59985972 + ... + 59986085.

It is an arithmetic number, because the mean of its divisors is an integer number (1199720580).

Almost surely, 2^6838407249 is an apocalyptic number.

It is an amenable number.

6838407249 is a deficient number, since it is larger than the sum of its proper divisors (2759357391).

6838407249 is a wasteful number, since it uses less digits than its factorization.

6838407249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119972079.

The product of its (nonzero) digits is 2322432, while the sum is 51.

The square root of 6838407249 is about 82694.6627600597. The cubic root of 6838407249 is about 1898.0966395238.

The spelling of 6838407249 in words is "six billion, eight hundred thirty-eight million, four hundred seven thousand, two hundred forty-nine".