669002948 has 12 divisors (see below), whose sum is σ = 1181697552. Its totient is φ = 331375080.

The previous prime is 669002923. The next prime is 669002951. The reversal of 669002948 is 849200966.

It is a junction number, because it is equal to n+sod(n) for n = 669002899 and 669002908.

It is an unprimeable number.

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, 781118 + ... + 781973.

It is an arithmetic number, because the mean of its divisors is an integer number (98474796).

Almost surely, 2^669002948 is an apocalyptic number.

It is an amenable number.

669002948 is a deficient number, since it is larger than the sum of its proper divisors (512694604).

669002948 is a wasteful number, since it uses less digits than its factorization.

669002948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1563202 (or 1563200 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 44.

The square root of 669002948 is about 25865.0913008247. The cubic root of 669002948 is about 874.5997398716.

The spelling of 669002948 in words is "six hundred sixty-nine million, two thousand, nine hundred forty-eight".