1383678443513 has 2 divisors, whose sum is σ = 1383678443514. Its totient is φ = 1383678443512.

The previous prime is 1383678443507. The next prime is 1383678443569. The reversal of 1383678443513 is 3153448763831.

It is an a-pointer prime, because the next prime (1383678443569) can be obtained adding 1383678443513 to its sum of digits (56).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 987185319184 + 396493124329 = 993572^2 + 629677^2 .

It is a cyclic number.

It is not a de Polignac number, because 1383678443513 - 2²⁰ = 1383677394937 is a prime.

It is not a weakly prime, because it can be changed into another prime (1383678443113) 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, 691839221756 + 691839221757.

It is an arithmetic number, because the mean of its divisors is an integer number (691839221757).

Almost surely, 2^{1383678443513} is an apocalyptic number.

It is an amenable number.

1383678443513 is a deficient number, since it is larger than the sum of its proper divisors (1).

1383678443513 is an equidigital number, since it uses as much as digits as its factorization.

1383678443513 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17418240, while the sum is 56.

The spelling of 1383678443513 in words is "one trillion, three hundred eighty-three billion, six hundred seventy-eight million, four hundred forty-three thousand, five hundred thirteen".