1312263435533 has 16 divisors (see below), whose sum is σ = 1384541491200. Its totient is φ = 1240309914480.

The previous prime is 1312263435523. The next prime is 1312263435569. The reversal of 1312263435533 is 3355343622131.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1312263435533 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312263435523) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14199248 + ... + 14291366.

It is an arithmetic number, because the mean of its divisors is an integer number (86533843200).

Almost surely, 2^{1312263435533} is an apocalyptic number.

It is an amenable number.

1312263435533 is a deficient number, since it is larger than the sum of its proper divisors (72278055667).

1312263435533 is an equidigital number, since it uses as much as digits as its factorization.

1312263435533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93872.

The product of its digits is 583200, while the sum is 41.

The spelling of 1312263435533 in words is "one trillion, three hundred twelve billion, two hundred sixty-three million, four hundred thirty-five thousand, five hundred thirty-three".