6898374638 has 8 divisors (see below), whose sum is σ = 10349598720. Its totient is φ = 3448508400.

The previous prime is 6898374629. The next prime is 6898374661. The reversal of 6898374638 is 8364738986.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 326663 + ... + 347138.

It is an arithmetic number, because the mean of its divisors is an integer number (1293699840).

Almost surely, 2^6898374638 is an apocalyptic number.

6898374638 is a deficient number, since it is larger than the sum of its proper divisors (3451224082).

6898374638 is a wasteful number, since it uses less digits than its factorization.

6898374638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 678922.

The product of its digits is 41803776, while the sum is 62.

The square root of 6898374638 is about 83056.4545234144. The cubic root of 6898374638 is about 1903.6287657391.

The spelling of 6898374638 in words is "six billion, eight hundred ninety-eight million, three hundred seventy-four thousand, six hundred thirty-eight".