1317471863380 has 12 divisors (see below), whose sum is σ = 2766690913140. Its totient is φ = 526988745344.

The previous prime is 1317471863369. The next prime is 1317471863413. The reversal of 1317471863380 is 833681747131.

It can be written as a sum of positive squares in 2 ways, for example, as 839609355204 + 477862508176 = 916302^2 + 691276^2 .

It is a super-2 number, since 2×1317471863380² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32936796565 + ... + 32936796604.

It is an arithmetic number, because the mean of its divisors is an integer number (230557576095).

Almost surely, 2^{1317471863380} is an apocalyptic number.

1317471863380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1317471863380 is an abundant number, since it is smaller than the sum of its proper divisors (1449219049760).

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

1317471863380 is a wasteful number, since it uses less digits than its factorization.

1317471863380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65873593178 (or 65873593176 counting only the distinct ones).

The product of its (nonzero) digits is 2032128, while the sum is 52.

The spelling of 1317471863380 in words is "one trillion, three hundred seventeen billion, four hundred seventy-one million, eight hundred sixty-three thousand, three hundred eighty".