229958630809 has 2 divisors, whose sum is σ = 229958630810. Its totient is φ = 229958630808.

The previous prime is 229958630669. The next prime is 229958630831. The reversal of 229958630809 is 908036859922.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 164896905625 + 65061725184 = 406075^2 + 255072^2 .

It is a cyclic number.

It is not a de Polignac number, because 229958630809 - 2²⁵ = 229925076377 is a prime.

It is not a weakly prime, because it can be changed into another prime (229958630899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114979315404 + 114979315405.

It is an arithmetic number, because the mean of its divisors is an integer number (114979315405).

Almost surely, 2^229958630809 is an apocalyptic number.

It is an amenable number.

229958630809 is a deficient number, since it is larger than the sum of its proper divisors (1).

229958630809 is an equidigital number, since it uses as much as digits as its factorization.

229958630809 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16796160, while the sum is 61.

The spelling of 229958630809 in words is "two hundred twenty-nine billion, nine hundred fifty-eight million, six hundred thirty thousand, eight hundred nine".