1317455826463 has 8 divisors (see below), whose sum is σ = 1508681168000. Its totient is φ = 1126984826520.

The previous prime is 1317455826419. The next prime is 1317455826527. The reversal of 1317455826463 is 3646285547131.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1317455826463 - 2²⁵ = 1317422272031 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 (1317455826563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 188581653 + ... + 188588638.

It is an arithmetic number, because the mean of its divisors is an integer number (188585146000).

Almost surely, 2^{1317455826463} is an apocalyptic number.

1317455826463 is a deficient number, since it is larger than the sum of its proper divisors (191225341537).

1317455826463 is an equidigital number, since it uses as much as digits as its factorization.

1317455826463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377170797.

The product of its digits is 14515200, while the sum is 55.

The spelling of 1317455826463 in words is "one trillion, three hundred seventeen billion, four hundred fifty-five million, eight hundred twenty-six thousand, four hundred sixty-three".