209232833141 has 4 divisors (see below), whose sum is σ = 209238246252. Its totient is φ = 209227420032.

The previous prime is 209232833063. The next prime is 209232833143. The reversal of 209232833141 is 141338232902.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 141338232902 = 2 ⋅70669116451.

It can be written as a sum of positive squares in 2 ways, for example, as 21090300625 + 188142532516 = 145225^2 + 433754^2 .

It is a cyclic number.

It is not a de Polignac number, because 209232833141 - 2¹⁰ = 209232832117 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 209232833095 and 209232833104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (209232833143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2648156 + ... + 2726021.

It is an arithmetic number, because the mean of its divisors is an integer number (52309561563).

Almost surely, 2^209232833141 is an apocalyptic number.

It is an amenable number.

209232833141 is a deficient number, since it is larger than the sum of its proper divisors (5413111).

209232833141 is an equidigital number, since it uses as much as digits as its factorization.

209232833141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5413110.

The product of its (nonzero) digits is 62208, while the sum is 38.

The spelling of 209232833141 in words is "two hundred nine billion, two hundred thirty-two million, eight hundred thirty-three thousand, one hundred forty-one".