243402274213 has 8 divisors (see below), whose sum is σ = 278424869760. Its totient is φ = 208442389200.

The previous prime is 243402274189. The next prime is 243402274223. The reversal of 243402274213 is 312472204342.

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 243402274213 - 2²¹ = 243400177061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243402274223) 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, 15669313 + ... + 15684838.

It is an arithmetic number, because the mean of its divisors is an integer number (34803108720).

Almost surely, 2^243402274213 is an apocalyptic number.

It is an amenable number.

243402274213 is a deficient number, since it is larger than the sum of its proper divisors (35022595547).

243402274213 is a wasteful number, since it uses less digits than its factorization.

243402274213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31355267.

The product of its (nonzero) digits is 64512, while the sum is 34.

Adding to 243402274213 its reverse (312472204342), we get a palindrome (555874478555).

The spelling of 243402274213 in words is "two hundred forty-three billion, four hundred two million, two hundred seventy-four thousand, two hundred thirteen".