21743232269 has 8 divisors (see below), whose sum is σ = 23865412512. Its totient is φ = 19645305840.

The previous prime is 21743232257. The next prime is 21743232311. The reversal of 21743232269 is 96223234712.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 21743232269 - 2⁸ = 21743232013 is a prime.

It is a super-2 number, since 2×21743232269² (a number of 21 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 (21743232239) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6061574 + ... + 6065159.

It is an arithmetic number, because the mean of its divisors is an integer number (2983176564).

Almost surely, 2^21743232269 is an apocalyptic number.

It is an amenable number.

21743232269 is a deficient number, since it is larger than the sum of its proper divisors (2122180243).

21743232269 is a wasteful number, since it uses less digits than its factorization.

21743232269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12126907.

The product of its digits is 217728, while the sum is 41.

The spelling of 21743232269 in words is "twenty-one billion, seven hundred forty-three million, two hundred thirty-two thousand, two hundred sixty-nine".