6989747018 has 8 divisors (see below), whose sum is σ = 11036442720. Its totient is φ = 3310932780.

The previous prime is 6989746969. The next prime is 6989747029. The reversal of 6989747018 is 8107479896.

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

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, 91970318 + ... + 91970393.

It is an arithmetic number, because the mean of its divisors is an integer number (1379555340).

Almost surely, 2^6989747018 is an apocalyptic number.

6989747018 is a deficient number, since it is larger than the sum of its proper divisors (4046695702).

6989747018 is a wasteful number, since it uses less digits than its factorization.

6989747018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183940732.

The product of its (nonzero) digits is 6096384, while the sum is 59.

The square root of 6989747018 is about 83604.7069129484. The cubic root of 6989747018 is about 1911.9967621675.

The spelling of 6989747018 in words is "six billion, nine hundred eighty-nine million, seven hundred forty-seven thousand, eighteen".