486899669 has 4 divisors (see below), whose sum is σ = 515540844. Its totient is φ = 458258496.

The previous prime is 486899629. The next prime is 486899713. The reversal of 486899669 is 966998684.

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 292854769 + 194044900 = 17113^2 + 13930^2 .

It is a cyclic number.

It is not a de Polignac number, because 486899669 - 2¹⁶ = 486834133 is a prime.

It is a super-2 number, since 2×486899669² = 474142575344619122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (486899629) 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, 14320562 + ... + 14320595.

It is an arithmetic number, because the mean of its divisors is an integer number (128885211).

Almost surely, 2^486899669 is an apocalyptic number.

It is an amenable number.

486899669 is a deficient number, since it is larger than the sum of its proper divisors (28641175).

486899669 is a wasteful number, since it uses less digits than its factorization.

486899669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28641174.

The product of its digits is 40310784, while the sum is 65.

The square root of 486899669 is about 22065.8031578277. The cubic root of 486899669 is about 786.7072631983.

The spelling of 486899669 in words is "four hundred eighty-six million, eight hundred ninety-nine thousand, six hundred sixty-nine".