6983221320 has 48 divisors (see below), whose sum is σ = 22695470460. Its totient is φ = 1862192256.

The previous prime is 6983221313. The next prime is 6983221327. The reversal of 6983221320 is 231223896.

6983221320 is a `hidden beast` number, since 6 + 9 + 8 + 322 + 1 + 320 = 666.

It is an interprime number because it is at equal distance from previous prime (6983221313) and next prime (6983221327).

It can be written as a sum of positive squares in 2 ways, for example, as 6544486404 + 438734916 = 80898^2 + 20946^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (6983221327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9698559 + ... + 9699278.

Almost surely, 2^6983221320 is an apocalyptic number.

6983221320 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6983221320 is an abundant number, since it is smaller than the sum of its proper divisors (15712249140).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6983221320 is a wasteful number, since it uses less digits than its factorization.

6983221320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19397854 (or 19397847 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 6983221320 is about 83565.6707027473. The cubic root of 6983221320 is about 1911.4015571074.

The spelling of 6983221320 in words is "six billion, nine hundred eighty-three million, two hundred twenty-one thousand, three hundred twenty".