1286875433383 has 4 divisors (see below), whose sum is σ = 1287563236128. Its totient is φ = 1286187630640.

The previous prime is 1286875433369. The next prime is 1286875433447. The reversal of 1286875433383 is 3833345786821.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1286875433383 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1286875433353) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 343898566 + ... + 343902307.

It is an arithmetic number, because the mean of its divisors is an integer number (321890809032).

Almost surely, 2^{1286875433383} is an apocalyptic number.

1286875433383 is a deficient number, since it is larger than the sum of its proper divisors (687802745).

1286875433383 is an equidigital number, since it uses as much as digits as its factorization.

1286875433383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 687802744.

The product of its digits is 69672960, while the sum is 61.

The spelling of 1286875433383 in words is "one trillion, two hundred eighty-six billion, eight hundred seventy-five million, four hundred thirty-three thousand, three hundred eighty-three".