1319344432243 has 2 divisors, whose sum is σ = 1319344432244. Its totient is φ = 1319344432242.

The previous prime is 1319344432129. The next prime is 1319344432267. The reversal of 1319344432243 is 3422344439131.

It is a strong prime.

It is an emirp because it is prime and its reverse (3422344439131) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1319344432243 is a prime.

It is a super-2 number, since 2×1319344432243² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1319344432243.

It is not a weakly prime, because it can be changed into another prime (1319344532243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 659672216121 + 659672216122.

It is an arithmetic number, because the mean of its divisors is an integer number (659672216122).

Almost surely, 2^{1319344432243} is an apocalyptic number.

1319344432243 is a deficient number, since it is larger than the sum of its proper divisors (1).

1319344432243 is an equidigital number, since it uses as much as digits as its factorization.

1319344432243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 746496, while the sum is 43.

The spelling of 1319344432243 in words is "one trillion, three hundred nineteen billion, three hundred forty-four million, four hundred thirty-two thousand, two hundred forty-three".