225730109989 has 2 divisors, whose sum is σ = 225730109990. Its totient is φ = 225730109988.

The previous prime is 225730109939. The next prime is 225730110077. The reversal of 225730109989 is 989901037522.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 213829481889 + 11900628100 = 462417^2 + 109090^2 .

It is a cyclic number.

It is not a de Polignac number, because 225730109989 - 2⁷ = 225730109861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (225730109939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112865054994 + 112865054995.

It is an arithmetic number, because the mean of its divisors is an integer number (112865054995).

Almost surely, 2^225730109989 is an apocalyptic number.

It is an amenable number.

225730109989 is a deficient number, since it is larger than the sum of its proper divisors (1).

225730109989 is an equidigital number, since it uses as much as digits as its factorization.

225730109989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2449440, while the sum is 55.

The spelling of 225730109989 in words is "two hundred twenty-five billion, seven hundred thirty million, one hundred nine thousand, nine hundred eighty-nine".