669141002 has 4 divisors (see below), whose sum is σ = 1003711506. Its totient is φ = 334570500.

The previous prime is 669140999. The next prime is 669141019. The reversal of 669141002 is 200141966.

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

It can be written as a sum of positive squares in only one way, i.e., 634082761 + 35058241 = 25181^2 + 5921^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 167285249 + ... + 167285252.

Almost surely, 2^669141002 is an apocalyptic number.

669141002 is a deficient number, since it is larger than the sum of its proper divisors (334570504).

669141002 is a wasteful number, since it uses less digits than its factorization.

669141002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334570503.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 669141002 is about 25867.7598952828. The cubic root of 669141002 is about 874.6598959036.

Adding to 669141002 its reverse (200141966), we get a palindrome (869282968).

The spelling of 669141002 in words is "six hundred sixty-nine million, one hundred forty-one thousand, two".