669823004 has 12 divisors (see below), whose sum is σ = 1172376744. Its totient is φ = 334858224.

The previous prime is 669822971. The next prime is 669823009. The reversal of 669823004 is 400328966.

669823004 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (669823009) 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, 32414 + ... + 48890.

It is an arithmetic number, because the mean of its divisors is an integer number (97698062).

Almost surely, 2^669823004 is an apocalyptic number.

It is an amenable number.

669823004 is a deficient number, since it is larger than the sum of its proper divisors (502553740).

669823004 is a wasteful number, since it uses less digits than its factorization.

669823004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26644 (or 26642 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 38.

The square root of 669823004 is about 25880.9390092400. The cubic root of 669823004 is about 874.9569520046.

The spelling of 669823004 in words is "six hundred sixty-nine million, eight hundred twenty-three thousand, four".