6669511834 has 8 divisors (see below), whose sum is σ = 10012657140. Its totient is φ = 3331959456.

The previous prime is 6669511831. The next prime is 6669511837. The reversal of 6669511834 is 4381159666.

It is an interprime number because it is at equal distance from previous prime (6669511831) and next prime (6669511837).

It can be written as a sum of positive squares in 2 ways, for example, as 6412005625 + 257506209 = 80075^2 + 16047^2 .

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

It is not an unprimeable number, because it can be changed into a prime (6669511831) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1395249 + ... + 1400020.

Almost surely, 2^6669511834 is an apocalyptic number.

6669511834 is a deficient number, since it is larger than the sum of its proper divisors (3343145306).

6669511834 is a wasteful number, since it uses less digits than its factorization.

6669511834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2796464.

The product of its digits is 933120, while the sum is 49.

The square root of 6669511834 is about 81667.0792547401. The cubic root of 6669511834 is about 1882.3397601796.

The spelling of 6669511834 in words is "six billion, six hundred sixty-nine million, five hundred eleven thousand, eight hundred thirty-four".