1317478632293 has 4 divisors (see below), whose sum is σ = 1386819612960. Its totient is φ = 1248137651628.

The previous prime is 1317478632287. The next prime is 1317478632367. The reversal of 1317478632293 is 3922368747131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1317478632293 - 2³⁴ = 1300298763109 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1317478632233) 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, 34670490305 + ... + 34670490342.

It is an arithmetic number, because the mean of its divisors is an integer number (346704903240).

Almost surely, 2^{1317478632293} is an apocalyptic number.

It is an amenable number.

1317478632293 is a deficient number, since it is larger than the sum of its proper divisors (69340980667).

1317478632293 is an equidigital number, since it uses as much as digits as its factorization.

1317478632293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69340980666.

The product of its digits is 9144576, while the sum is 56.

The spelling of 1317478632293 in words is "one trillion, three hundred seventeen billion, four hundred seventy-eight million, six hundred thirty-two thousand, two hundred ninety-three".