669030041 has 8 divisors (see below), whose sum is σ = 697369920. Its totient is φ = 641230128.

The previous prime is 669030017. The next prime is 669030059. The reversal of 669030041 is 140030966.

669030041 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a de Polignac number, because none of the positive numbers 2^k-669030041 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 669029986 and 669030013.

It is not an unprimeable number, because it can be changed into a prime (669030001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132461 + ... + 137418.

It is an arithmetic number, because the mean of its divisors is an integer number (87171240).

Almost surely, 2^669030041 is an apocalyptic number.

It is an amenable number.

669030041 is a deficient number, since it is larger than the sum of its proper divisors (28339879).

669030041 is a wasteful number, since it uses less digits than its factorization.

669030041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269983.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 669030041 is about 25865.6150323166. The cubic root of 669030041 is about 874.6115461031.

The spelling of 669030041 in words is "six hundred sixty-nine million, thirty thousand, forty-one".