285063452689 has 4 divisors (see below), whose sum is σ = 285086130724. Its totient is φ = 285040774656.

The previous prime is 285063452677. The next prime is 285063452701. The reversal of 285063452689 is 986254360582.

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

It is an interprime number because it is at equal distance from previous prime (285063452677) and next prime (285063452701).

It can be written as a sum of positive squares in 2 ways, for example, as 265130248464 + 19933204225 = 514908^2 + 141185^2 .

It is a cyclic number.

It is not a de Polignac number, because 285063452689 - 2⁷ = 285063452561 is a prime.

It is a super-2 number, since 2×285063452689² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (285063452669) 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, 11320152 + ... + 11345305.

It is an arithmetic number, because the mean of its divisors is an integer number (71271532681).

Almost surely, 2^285063452689 is an apocalyptic number.

It is an amenable number.

285063452689 is a deficient number, since it is larger than the sum of its proper divisors (22678035).

285063452689 is a wasteful number, since it uses less digits than its factorization.

285063452689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22678034.

The product of its (nonzero) digits is 24883200, while the sum is 58.

The spelling of 285063452689 in words is "two hundred eighty-five billion, sixty-three million, four hundred fifty-two thousand, six hundred eighty-nine".