1267365648383 has 4 divisors (see below), whose sum is σ = 1267500901128. Its totient is φ = 1267230395640.

The previous prime is 1267365648349. The next prime is 1267365648403. The reversal of 1267365648383 is 3838465637621.

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 1267365648383 - 2⁸ = 1267365648127 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 (1267365648323) 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, 67612316 + ... + 67631057.

It is an arithmetic number, because the mean of its divisors is an integer number (316875225282).

Almost surely, 2^{1267365648383} is an apocalyptic number.

1267365648383 is a deficient number, since it is larger than the sum of its proper divisors (135252745).

1267365648383 is an equidigital number, since it uses as much as digits as its factorization.

1267365648383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135252744.

The product of its digits is 104509440, while the sum is 62.

The spelling of 1267365648383 in words is "one trillion, two hundred sixty-seven billion, three hundred sixty-five million, six hundred forty-eight thousand, three hundred eighty-three".