6699481982 has 8 divisors (see below), whose sum is σ = 10373391552. Its totient is φ = 3241684800.

The previous prime is 6699481979. The next prime is 6699481993. The reversal of 6699481982 is 2891849966.

It is a happy number.

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

It is a Harshad number since it is a multiple of its sum of digits (62), and also a Moran number because the ratio is a prime number: 108056161 = 6699481982 / (6 + 6 + 9 + 9 + 4 + 8 + 1 + 9 + 8 + 2).

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, 54028019 + ... + 54028142.

It is an arithmetic number, because the mean of its divisors is an integer number (1296673944).

Almost surely, 2^6699481982 is an apocalyptic number.

6699481982 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

6699481982 is a deficient number, since it is larger than the sum of its proper divisors (3673909570).

6699481982 is a wasteful number, since it uses less digits than its factorization.

6699481982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108056194.

The product of its digits is 13436928, while the sum is 62.

The square root of 6699481982 is about 81850.3633589980. The cubic root of 6699481982 is about 1885.1550442258.

The spelling of 6699481982 in words is "six billion, six hundred ninety-nine million, four hundred eighty-one thousand, nine hundred eighty-two".