6989466478 has 8 divisors (see below), whose sum is σ = 10682014968. Its totient is φ = 3428794824.

The previous prime is 6989466467. The next prime is 6989466499. The reversal of 6989466478 is 8746649896.

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

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32969076 + ... + 32969287.

It is an arithmetic number, because the mean of its divisors is an integer number (1335251871).

Almost surely, 2^6989466478 is an apocalyptic number.

6989466478 is a deficient number, since it is larger than the sum of its proper divisors (3692548490).

6989466478 is a wasteful number, since it uses less digits than its factorization.

6989466478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65938418.

The product of its digits is 125411328, while the sum is 67.

The square root of 6989466478 is about 83603.0291197634. The cubic root of 6989466478 is about 1911.9711819023.

The spelling of 6989466478 in words is "six billion, nine hundred eighty-nine million, four hundred sixty-six thousand, four hundred seventy-eight".