243402010433 has 2 divisors, whose sum is σ = 243402010434. Its totient is φ = 243402010432.

The previous prime is 243402010399. The next prime is 243402010471. The reversal of 243402010433 is 334010204342.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 242686287424 + 715723009 = 492632^2 + 26753^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-243402010433 is a prime.

It is not a weakly prime, because it can be changed into another prime (243402910433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121701005216 + 121701005217.

It is an arithmetic number, because the mean of its divisors is an integer number (121701005217).

Almost surely, 2^243402010433 is an apocalyptic number.

It is an amenable number.

243402010433 is a deficient number, since it is larger than the sum of its proper divisors (1).

243402010433 is an equidigital number, since it uses as much as digits as its factorization.

243402010433 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 243402010433 its reverse (334010204342), we get a palindrome (577412214775).

The spelling of 243402010433 in words is "two hundred forty-three billion, four hundred two million, ten thousand, four hundred thirty-three".