234936998209 has 3 divisors (see below), whose sum is σ = 234937482913. Its totient is φ = 234936513506.

The previous prime is 234936998183. The next prime is 234936998339. The reversal of 234936998209 is 902899639432.

The square root of 234936998209 is 484703.

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 is not a de Polignac number, because 234936998209 - 2⁷ = 234936998081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (234936992209) 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, 242352 + ... + 727054.

Almost surely, 2^234936998209 is an apocalyptic number.

234936998209 is the 484703-rd square number.

234936998209 is the 242352-nd centered octagonal number.

It is an amenable number.

234936998209 is a deficient number, since it is larger than the sum of its proper divisors (484704).

234936998209 is an frugal number, since it uses more digits than its factorization.

234936998209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 969406 (or 484703 counting only the distinct ones).

The product of its (nonzero) digits is 45349632, while the sum is 64.

Multiplying 234936998209 by its sum of digits (64), we get a square (15035967885376 = 3877624²).

It can be divided in two parts, 2349369 and 98209, that added together give a triangular number (2447578 = T₂₂₁₂).

The spelling of 234936998209 in words is "two hundred thirty-four billion, nine hundred thirty-six million, nine hundred ninety-eight thousand, two hundred nine".