27231286690 has 16 divisors (see below), whose sum is σ = 49024475640. Its totient is φ = 10890701440.

The previous prime is 27231286673. The next prime is 27231286703. The reversal of 27231286690 is 9668213272.

It can be written as a sum of positive squares in 4 ways, for example, as 17936977041 + 9294309649 = 133929^2 + 96407^2 .

It is a super-2 number, since 2×27231286690² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 27231286690.

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, 162721 + ... + 284500.

Almost surely, 2^27231286690 is an apocalyptic number.

27231286690 is a deficient number, since it is larger than the sum of its proper divisors (21793188950).

27231286690 is a wasteful number, since it uses less digits than its factorization.

27231286690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 453317.

The product of its (nonzero) digits is 435456, while the sum is 46.

The spelling of 27231286690 in words is "twenty-seven billion, two hundred thirty-one million, two hundred eighty-six thousand, six hundred ninety".