6854376639 has 8 divisors (see below), whose sum is σ = 9970002432. Its totient is φ = 4154167640.

The previous prime is 6854376631. The next prime is 6854376689. The reversal of 6854376639 is 9366734586.

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

It is a cyclic number.

It is not a de Polignac number, because 6854376639 - 2³ = 6854376631 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6854376631) 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, 103854159 + ... + 103854224.

It is an arithmetic number, because the mean of its divisors is an integer number (1246250304).

Almost surely, 2^6854376639 is an apocalyptic number.

6854376639 is a deficient number, since it is larger than the sum of its proper divisors (3115625793).

6854376639 is a wasteful number, since it uses less digits than its factorization.

6854376639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207708397.

The product of its digits is 19595520, while the sum is 57.

The square root of 6854376639 is about 82791.1628073915. The cubic root of 6854376639 is about 1899.5730009055.

It can be divided in two parts, 685437 and 6639, that added together give a triangular number (692076 = T₁₁₇₆).

The spelling of 6854376639 in words is "six billion, eight hundred fifty-four million, three hundred seventy-six thousand, six hundred thirty-nine".