223959129769 has 16 divisors (see below), whose sum is σ = 238213388160. Its totient is φ = 209827088640.

The previous prime is 223959129743. The next prime is 223959129773. The reversal of 223959129769 is 967921959322.

It is not a de Polignac number, because 223959129769 - 2³⁷ = 86520176297 is a prime.

It is a super-2 number, since 2×223959129769² (a number of 24 digits) contains 22 as substring.

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 223959129769.

It is not an unprimeable number, because it can be changed into a prime (223959129739) 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, 3272239 + ... + 3339979.

It is an arithmetic number, because the mean of its divisors is an integer number (14888336760).

Almost surely, 2^223959129769 is an apocalyptic number.

It is an amenable number.

223959129769 is a deficient number, since it is larger than the sum of its proper divisors (14254258391).

223959129769 is a wasteful number, since it uses less digits than its factorization.

223959129769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68640.

The product of its digits is 33067440, while the sum is 64.

The spelling of 223959129769 in words is "two hundred twenty-three billion, nine hundred fifty-nine million, one hundred twenty-nine thousand, seven hundred sixty-nine".