243035144399 has 2 divisors, whose sum is σ = 243035144400. Its totient is φ = 243035144398.

The previous prime is 243035144389. The next prime is 243035144411. The reversal of 243035144399 is 993441530342.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-243035144399 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (243035144389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121517572199 + 121517572200.

It is an arithmetic number, because the mean of its divisors is an integer number (121517572200).

Almost surely, 2^243035144399 is an apocalyptic number.

243035144399 is a deficient number, since it is larger than the sum of its proper divisors (1).

243035144399 is an equidigital number, since it uses as much as digits as its factorization.

243035144399 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1399680, while the sum is 47.

The spelling of 243035144399 in words is "two hundred forty-three billion, thirty-five million, one hundred forty-four thousand, three hundred ninety-nine".