1317743784001 has 4 divisors (see below), whose sum is σ = 1318299561904. Its totient is φ = 1317188006100.

The previous prime is 1317743783987. The next prime is 1317743784011. The reversal of 1317743784001 is 1004873477131.

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 1317743784001 - 2¹⁹ = 1317743259713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1317743784011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 277885395 + ... + 277890136.

It is an arithmetic number, because the mean of its divisors is an integer number (329574890476).

Almost surely, 2^{1317743784001} is an apocalyptic number.

It is an amenable number.

1317743784001 is a deficient number, since it is larger than the sum of its proper divisors (555777903).

1317743784001 is an equidigital number, since it uses as much as digits as its factorization.

1317743784001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 555777902.

The product of its (nonzero) digits is 395136, while the sum is 46.

The spelling of 1317743784001 in words is "one trillion, three hundred seventeen billion, seven hundred forty-three million, seven hundred eighty-four thousand, one".