6988424894 has 8 divisors (see below), whose sum is σ = 11435604408. Its totient is φ = 3176556760.

The previous prime is 6988424873. The next prime is 6988424899. The reversal of 6988424894 is 4984248896.

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

It is a super-2 number, since 2×6988424894² = 97676164998157822472, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6988424899) by changing a digit.

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, 158827817 + ... + 158827860.

It is an arithmetic number, because the mean of its divisors is an integer number (1429450551).

Almost surely, 2^6988424894 is an apocalyptic number.

6988424894 is a deficient number, since it is larger than the sum of its proper divisors (4447179514).

6988424894 is a wasteful number, since it uses less digits than its factorization.

6988424894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317655690.

The product of its digits is 31850496, while the sum is 62.

The square root of 6988424894 is about 83596.7995440017. The cubic root of 6988424894 is about 1911.8762019525.

The spelling of 6988424894 in words is "six billion, nine hundred eighty-eight million, four hundred twenty-four thousand, eight hundred ninety-four".