6669000931 has 4 divisors (see below), whose sum is σ = 7020001000. Its totient is φ = 6318000864.

The previous prime is 6669000913. The next prime is 6669000959. The reversal of 6669000931 is 1390009666.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 6669000931 - 2⁷ = 6669000803 is a prime.

It is a super-2 number, since 2×6669000931² = 88951146835357733522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6669000901) 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, 175500006 + ... + 175500043.

It is an arithmetic number, because the mean of its divisors is an integer number (1755000250).

Almost surely, 2^6669000931 is an apocalyptic number.

6669000931 is a deficient number, since it is larger than the sum of its proper divisors (351000069).

6669000931 is a wasteful number, since it uses less digits than its factorization.

6669000931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351000068.

The product of its (nonzero) digits is 52488, while the sum is 40.

The square root of 6669000931 is about 81663.9512330869. The cubic root of 6669000931 is about 1882.2916948134.

The spelling of 6669000931 in words is "six billion, six hundred sixty-nine million, nine hundred thirty-one", and thus it is an aban number.