286555802249 has 4 divisors (see below), whose sum is σ = 287807137860. Its totient is φ = 285304466640.

The previous prime is 286555802233. The next prime is 286555802263. The reversal of 286555802249 is 942208555682.

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 272554996624 + 14000805625 = 522068^2 + 118325^2 .

It is a cyclic number.

It is not a de Polignac number, because 286555802249 - 2⁴ = 286555802233 is a prime.

It is a super-2 number, since 2×286555802249² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 286555802194 and 286555802203.

It is not an unprimeable number, because it can be changed into a prime (286555802749) 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, 625667462 + ... + 625667919.

It is an arithmetic number, because the mean of its divisors is an integer number (71951784465).

Almost surely, 2^286555802249 is an apocalyptic number.

It is an amenable number.

286555802249 is a deficient number, since it is larger than the sum of its proper divisors (1251335611).

286555802249 is a wasteful number, since it uses less digits than its factorization.

286555802249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1251335610.

The product of its (nonzero) digits is 13824000, while the sum is 56.

The spelling of 286555802249 in words is "two hundred eighty-six billion, five hundred fifty-five million, eight hundred two thousand, two hundred forty-nine".