1313993789472 has 384 divisors, whose sum is σ = 4355755278336. Its totient is φ = 337567813632.

The previous prime is 1313993789419. The next prime is 1313993789489. The reversal of 1313993789472 is 2749873993131.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 143868618 + ... + 143877750.

It is an arithmetic number, because the mean of its divisors is an integer number (11343112704).

Almost surely, 2^{1313993789472} is an apocalyptic number.

1313993789472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1313993789472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2177877639168).

1313993789472 is an abundant number, since it is smaller than the sum of its proper divisors (3041761488864).

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

1313993789472 is a wasteful number, since it uses less digits than its factorization.

1313993789472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9592 (or 9584 counting only the distinct ones).

The product of its digits is 61725888, while the sum is 66.

The spelling of 1313993789472 in words is "one trillion, three hundred thirteen billion, nine hundred ninety-three million, seven hundred eighty-nine thousand, four hundred seventy-two".