227256023439989 has 2 divisors, whose sum is σ = 227256023439990. Its totient is φ = 227256023439988.

The previous prime is 227256023439983. The next prime is 227256023440037. The reversal of 227256023439989 is 989934320652722.

227256023439989 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 119357591508100 + 107898431931889 = 10925090^2 + 10387417^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-227256023439989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (227256023439983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113628011719994 + 113628011719995.

It is an arithmetic number, because the mean of its divisors is an integer number (113628011719995).

Almost surely, 2^{227256023439989} is an apocalyptic number.

It is an amenable number.

227256023439989 is a deficient number, since it is larger than the sum of its proper divisors (1).

227256023439989 is an equidigital number, since it uses as much as digits as its factorization.

227256023439989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 705438720, while the sum is 71.

The spelling of 227256023439989 in words is "two hundred twenty-seven trillion, two hundred fifty-six billion, twenty-three million, four hundred thirty-nine thousand, nine hundred eighty-nine".