669029030 has 16 divisors (see below), whose sum is σ = 1205856720. Its totient is φ = 267255072.

The previous prime is 669029027. The next prime is 669029047. The reversal of 669029030 is 30920966.

669029030 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36620 + ... + 51759.

It is an arithmetic number, because the mean of its divisors is an integer number (75366045).

Almost surely, 2^669029030 is an apocalyptic number.

669029030 is a deficient number, since it is larger than the sum of its proper divisors (536827690).

669029030 is a wasteful number, since it uses less digits than its factorization.

669029030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89143.

The product of its (nonzero) digits is 17496, while the sum is 35.

The square root of 669029030 is about 25865.5954889888. The cubic root of 669029030 is about 874.6111055485.

Adding to 669029030 its reverse (30920966), we get a palindrome (699949996).

The spelling of 669029030 in words is "six hundred sixty-nine million, twenty-nine thousand, thirty".