1313632064243 has 4 divisors (see below), whose sum is σ = 1382770593960. Its totient is φ = 1244493534528.

The previous prime is 1313632064233. The next prime is 1313632064257. The reversal of 1313632064243 is 3424602363131.

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

It is not a de Polignac number, because 1313632064243 - 2²⁰ = 1313631015667 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1313632064197 and 1313632064206.

It is not an unprimeable number, because it can be changed into a prime (1313632064233) 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, 34569264830 + ... + 34569264867.

It is an arithmetic number, because the mean of its divisors is an integer number (345692648490).

Almost surely, 2^{1313632064243} is an apocalyptic number.

1313632064243 is a deficient number, since it is larger than the sum of its proper divisors (69138529717).

1313632064243 is an equidigital number, since it uses as much as digits as its factorization.

1313632064243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69138529716.

The product of its (nonzero) digits is 186624, while the sum is 38.

The spelling of 1313632064243 in words is "one trillion, three hundred thirteen billion, six hundred thirty-two million, sixty-four thousand, two hundred forty-three".