6893691238 has 64 divisors (see below), whose sum is σ = 12753884160. Its totient is φ = 2730828672.

The previous prime is 6893691187. The next prime is 6893691257. The reversal of 6893691238 is 8321963986.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1140408 + ... + 1146436.

It is an arithmetic number, because the mean of its divisors is an integer number (199279440).

Almost surely, 2^6893691238 is an apocalyptic number.

6893691238 is a deficient number, since it is larger than the sum of its proper divisors (5860192922).

6893691238 is a wasteful number, since it uses less digits than its factorization.

6893691238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6181.

The product of its digits is 3359232, while the sum is 55.

The square root of 6893691238 is about 83028.2556603473. The cubic root of 6893691238 is about 1903.1978684240.

The spelling of 6893691238 in words is "six billion, eight hundred ninety-three million, six hundred ninety-one thousand, two hundred thirty-eight".