229191715069 has 4 divisors (see below), whose sum is σ = 229213369980. Its totient is φ = 229170060160.

The previous prime is 229191715063. The next prime is 229191715073. The reversal of 229191715069 is 960517191922.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 50562919044 + 178628796025 = 224862^2 + 422645^2 .

It is a cyclic number.

It is not a de Polignac number, because 229191715069 - 2¹⁵ = 229191682301 is a prime.

It is a super-2 number, since 2×229191715069² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229191715063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10811572 + ... + 10832749.

It is an arithmetic number, because the mean of its divisors is an integer number (57303342495).

Almost surely, 2^229191715069 is an apocalyptic number.

It is an amenable number.

229191715069 is a deficient number, since it is larger than the sum of its proper divisors (21654911).

229191715069 is a wasteful number, since it uses less digits than its factorization.

229191715069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21654910.

The product of its (nonzero) digits is 612360, while the sum is 52.

The spelling of 229191715069 in words is "two hundred twenty-nine billion, one hundred ninety-one million, seven hundred fifteen thousand, sixty-nine".