669326950 has 12 divisors (see below), whose sum is σ = 1244948220. Its totient is φ = 267730760.

The previous prime is 669326939. The next prime is 669326963. The reversal of 669326950 is 59623966.

It is a self number, because there is not a number n which added to its sum of digits gives 669326950.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6693220 + ... + 6693319.

It is an arithmetic number, because the mean of its divisors is an integer number (103745685).

Almost surely, 2^669326950 is an apocalyptic number.

669326950 is a deficient number, since it is larger than the sum of its proper divisors (575621270).

669326950 is a wasteful number, since it uses less digits than its factorization.

669326950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13386551 (or 13386546 counting only the distinct ones).

The product of its (nonzero) digits is 524880, while the sum is 46.

The square root of 669326950 is about 25871.3538493833. The cubic root of 669326950 is about 874.7409083233.

The spelling of 669326950 in words is "six hundred sixty-nine million, three hundred twenty-six thousand, nine hundred fifty".