6669206973 has 36 divisors (see below), whose sum is σ = 11403204540. Its totient is φ = 3731016960.

The previous prime is 6669206923. The next prime is 6669206977. The reversal of 6669206973 is 3796029666.

It is a happy number.

6669206973 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1102107204 + 5567099769 = 33198^2 + 74613^2 .

It is a de Polignac number, because none of the positive numbers 2^k-6669206973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6669206977) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 221388 + ... + 249701.

Almost surely, 2^6669206973 is an apocalyptic number.

It is an amenable number.

6669206973 is a deficient number, since it is larger than the sum of its proper divisors (4733997567).

6669206973 is a wasteful number, since it uses less digits than its factorization.

6669206973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471130 (or 471116 counting only the distinct ones).

The product of its (nonzero) digits is 4408992, while the sum is 54.

The square root of 6669206973 is about 81665.2127469218. The cubic root of 6669206973 is about 1882.3110793836.

The spelling of 6669206973 in words is "six billion, six hundred sixty-nine million, two hundred six thousand, nine hundred seventy-three".