1319294305493 has 2 divisors, whose sum is σ = 1319294305494. Its totient is φ = 1319294305492.

The previous prime is 1319294305411. The next prime is 1319294305499. The reversal of 1319294305493 is 3945034929131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1198241108164 + 121053197329 = 1094642^2 + 347927^2 .

It is an emirp because it is prime and its reverse (3945034929131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1319294305493 - 2²² = 1319290111189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1319294305499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 659647152746 + 659647152747.

It is an arithmetic number, because the mean of its divisors is an integer number (659647152747).

Almost surely, 2^{1319294305493} is an apocalyptic number.

It is an amenable number.

1319294305493 is a deficient number, since it is larger than the sum of its proper divisors (1).

1319294305493 is an equidigital number, since it uses as much as digits as its factorization.

1319294305493 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3149280, while the sum is 53.

The spelling of 1319294305493 in words is "one trillion, three hundred nineteen billion, two hundred ninety-four million, three hundred five thousand, four hundred ninety-three".