1286842252363 has 4 divisors (see below), whose sum is σ = 1286844869968. Its totient is φ = 1286839634760.

The previous prime is 1286842252357. The next prime is 1286842252393. The reversal of 1286842252363 is 3632522486821.

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

It is a cyclic number.

It is not a de Polignac number, because 1286842252363 - 2⁵ = 1286842252331 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1286842252363.

It is not an unprimeable number, because it can be changed into a prime (1286842252393) 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 in 3 ways as a sum of consecutive naturals, for example, 324768 + ... + 1636813.

It is an arithmetic number, because the mean of its divisors is an integer number (321711217492).

Almost surely, 2^{1286842252363} is an apocalyptic number.

1286842252363 is a deficient number, since it is larger than the sum of its proper divisors (2617605).

1286842252363 is an equidigital number, since it uses as much as digits as its factorization.

1286842252363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2617604.

The product of its digits is 6635520, while the sum is 52.

The spelling of 1286842252363 in words is "one trillion, two hundred eighty-six billion, eight hundred forty-two million, two hundred fifty-two thousand, three hundred sixty-three".