2359509181243 has 2 divisors, whose sum is σ = 2359509181244. Its totient is φ = 2359509181242.

The previous prime is 2359509181217. The next prime is 2359509181279. The reversal of 2359509181243 is 3421819059532.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2359509181243 is a prime.

It is not a weakly prime, because it can be changed into another prime (2359509188243) 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 as a sum of consecutive naturals, namely, 1179754590621 + 1179754590622.

It is an arithmetic number, because the mean of its divisors is an integer number (1179754590622).

Almost surely, 2^{2359509181243} is an apocalyptic number.

2359509181243 is a deficient number, since it is larger than the sum of its proper divisors (1).

2359509181243 is an equidigital number, since it uses as much as digits as its factorization.

2359509181243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2332800, while the sum is 52.

The spelling of 2359509181243 in words is "two trillion, three hundred fifty-nine billion, five hundred nine million, one hundred eighty-one thousand, two hundred forty-three".