669141003 has 4 divisors (see below), whose sum is σ = 892188008. Its totient is φ = 446094000.

The previous prime is 669140999. The next prime is 669141019. The reversal of 669141003 is 300141966.

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

It is not a de Polignac number, because 669141003 - 2² = 669140999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (669141023) 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, 111523498 + ... + 111523503.

It is an arithmetic number, because the mean of its divisors is an integer number (223047002).

Almost surely, 2^669141003 is an apocalyptic number.

669141003 is a deficient number, since it is larger than the sum of its proper divisors (223047005).

669141003 is a wasteful number, since it uses less digits than its factorization.

669141003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223047004.

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 669141003 is about 25867.7599146119. The cubic root of 669141003 is about 874.6598963393.

Adding to 669141003 its reverse (300141966), we get a palindrome (969282969).

The spelling of 669141003 in words is "six hundred sixty-nine million, one hundred forty-one thousand, three".