6838132399 has 16 divisors (see below), whose sum is σ = 7847110656. Its totient is φ = 5837234400.

The previous prime is 6838132387. The next prime is 6838132417. The reversal of 6838132399 is 9932318386.

It is a cyclic number.

It is not a de Polignac number, because 6838132399 - 2²⁹ = 6301261487 is a prime.

It is a super-3 number, since 3×6838132399³ (a number of 30 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6838132339) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1957044 + ... + 1960534.

It is an arithmetic number, because the mean of its divisors is an integer number (490444416).

Almost surely, 2^6838132399 is an apocalyptic number.

6838132399 is a deficient number, since it is larger than the sum of its proper divisors (1008978257).

6838132399 is a wasteful number, since it uses less digits than its factorization.

6838132399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4566.

The product of its digits is 1679616, while the sum is 52.

The square root of 6838132399 is about 82693.0009069691. Note that the first 3 decimals coincide. The cubic root of 6838132399 is about 1898.0712096817.

The spelling of 6838132399 in words is "six billion, eight hundred thirty-eight million, one hundred thirty-two thousand, three hundred ninety-nine".