227163764689 has 9 divisors (see below), whose sum is σ = 230353506513. Its totient is φ = 224017615872.

The previous prime is 227163764573. The next prime is 227163764713. The reversal of 227163764689 is 986467361722.

The square root of 227163764689 is 476617.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 37583638225 + 189580126464 = 193865^2 + 435408^2 .

It is not a de Polignac number, because 227163764689 - 2¹⁷ = 227163633617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (227163764189) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 34789777 + ... + 34796305.

It is an arithmetic number, because the mean of its divisors is an integer number (25594834057).

Almost surely, 2^227163764689 is an apocalyptic number.

227163764689 is the 476617-th square number.

227163764689 is the 238309-th centered octagonal number.

It is an amenable number.

227163764689 is a deficient number, since it is larger than the sum of its proper divisors (3189741824).

227163764689 is an frugal number, since it uses more digits than its factorization.

227163764689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13204 (or 6602 counting only the distinct ones).

The product of its digits is 36578304, while the sum is 61.

The spelling of 227163764689 in words is "two hundred twenty-seven billion, one hundred sixty-three million, seven hundred sixty-four thousand, six hundred eighty-nine".