6669002017 has 4 divisors (see below), whose sum is σ = 6677246340. Its totient is φ = 6660757696.

The previous prime is 6669002009. The next prime is 6669002051. The reversal of 6669002017 is 7102009666.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5195670561 + 1473331456 = 72081^2 + 38384^2 .

It is a cyclic number.

It is not a de Polignac number, because 6669002017 - 2³ = 6669002009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6669002057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4120948 + ... + 4122565.

It is an arithmetic number, because the mean of its divisors is an integer number (1669311585).

Almost surely, 2^6669002017 is an apocalyptic number.

It is an amenable number.

6669002017 is a deficient number, since it is larger than the sum of its proper divisors (8244323).

6669002017 is an equidigital number, since it uses as much as digits as its factorization.

6669002017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8244322.

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 6669002017 is about 81663.9578822873. The cubic root of 6669002017 is about 1882.2917969860.

The spelling of 6669002017 in words is "six billion, six hundred sixty-nine million, two thousand, seventeen".