669114893 has 4 divisors (see below), whose sum is σ = 669299388. Its totient is φ = 668930400.

The previous prime is 669114851. The next prime is 669114907. The reversal of 669114893 is 398411966.

669114893 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 216148804 + 452966089 = 14702^2 + 21283^2 .

It is a cyclic number.

It is not a de Polignac number, because 669114893 - 2¹² = 669110797 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (669114833) 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, 86696 + ... + 94097.

It is an arithmetic number, because the mean of its divisors is an integer number (167324847).

Almost surely, 2^669114893 is an apocalyptic number.

It is an amenable number.

669114893 is a deficient number, since it is larger than the sum of its proper divisors (184495).

669114893 is a wasteful number, since it uses less digits than its factorization.

669114893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184494.

The product of its digits is 279936, while the sum is 47.

The square root of 669114893 is about 25867.2552274106. The cubic root of 669114893 is about 874.6485197301.

The spelling of 669114893 in words is "six hundred sixty-nine million, one hundred fourteen thousand, eight hundred ninety-three".