1317963194064 has 560 divisors, whose sum is σ = 4499124609024. Its totient is φ = 369669484800.

The previous prime is 1317963194029. The next prime is 1317963194099. The reversal of 1317963194064 is 4604913697131.

1317963194064 is a `hidden beast` number, since 1 + 3 + 179 + 63 + 1 + 9 + 406 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (1317963194029) and next prime (1317963194099).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 1317963194064.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 91473549 + ... + 91487955.

Almost surely, 2^{1317963194064} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1317963194064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2249562304512).

1317963194064 is an abundant number, since it is smaller than the sum of its proper divisors (3181161414960).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1317963194064 is a wasteful number, since it uses less digits than its factorization.

1317963194064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14498 (or 14477 counting only the distinct ones).

The product of its (nonzero) digits is 2939328, while the sum is 54.

The spelling of 1317963194064 in words is "one trillion, three hundred seventeen billion, nine hundred sixty-three million, one hundred ninety-four thousand, sixty-four".