229198785609 has 16 divisors (see below), whose sum is σ = 306232889984. Its totient is φ = 152482176000.

The previous prime is 229198785589. The next prime is 229198785769. The reversal of 229198785609 is 906587891922.

It is a happy number.

It is not a de Polignac number, because 229198785609 - 2⁵ = 229198785577 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 229198785609.

It is not an unprimeable number, because it can be changed into a prime (229198783609) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3971259 + ... + 4028559.

It is an arithmetic number, because the mean of its divisors is an integer number (19139555624).

Almost surely, 2^229198785609 is an apocalyptic number.

It is an amenable number.

229198785609 is a deficient number, since it is larger than the sum of its proper divisors (77034104375).

229198785609 is a wasteful number, since it uses less digits than its factorization.

229198785609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60048.

The product of its (nonzero) digits is 39191040, while the sum is 66.

The spelling of 229198785609 in words is "two hundred twenty-nine billion, one hundred ninety-eight million, seven hundred eighty-five thousand, six hundred nine".