6891174994 has 8 divisors (see below), whose sum is σ = 11276468208. Its totient is φ = 3132352260.

The previous prime is 6891174991. The next prime is 6891175003. The reversal of 6891174994 is 4994711986.

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

It is not an unprimeable number, because it can be changed into a prime (6891174991) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 156617592 + ... + 156617635.

It is an arithmetic number, because the mean of its divisors is an integer number (1409558526).

Almost surely, 2^6891174994 is an apocalyptic number.

6891174994 is a deficient number, since it is larger than the sum of its proper divisors (4385293214).

6891174994 is a wasteful number, since it uses less digits than its factorization.

6891174994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313235240.

The product of its digits is 3919104, while the sum is 58.

The square root of 6891174994 is about 83013.1013394874. The cubic root of 6891174994 is about 1902.9662802065.

The spelling of 6891174994 in words is "six billion, eight hundred ninety-one million, one hundred seventy-four thousand, nine hundred ninety-four".