2343817088209 has 3 divisors (see below), whose sum is σ = 2343818619163. Its totient is φ = 2343815557256.

The previous prime is 2343817088167. The next prime is 2343817088243. The reversal of 2343817088209 is 9028807183432.

It is a happy number.

The square root of 2343817088209 is 1530953.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 2339018478225 + 4798609984 = 1529385^2 + 69272^2 .

It is not a de Polignac number, because 2343817088209 - 2²¹ = 2343814991057 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 2343817088209.

It is not an unprimeable number, because it can be changed into a prime (2343817088909) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 765477 + ... + 2296429.

Almost surely, 2^{2343817088209} is an apocalyptic number.

2343817088209 is the 1530953-rd square number.

2343817088209 is the 765477-th centered octagonal number.

It is an amenable number.

2343817088209 is a deficient number, since it is larger than the sum of its proper divisors (1530954).

2343817088209 is an frugal number, since it uses more digits than its factorization.

2343817088209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3061906 (or 1530953 counting only the distinct ones).

The product of its (nonzero) digits is 4644864, while the sum is 55.

The spelling of 2343817088209 in words is "two trillion, three hundred forty-three billion, eight hundred seventeen million, eighty-eight thousand, two hundred nine".