1443830720013 has 96 divisors (see below), whose sum is σ = 2448131212800. Its totient is φ = 810735868800.

The previous prime is 1443830719999. The next prime is 1443830720047. The reversal of 1443830720013 is 3100270383441.

1443830720013 is a `hidden beast` number, since 1 + 4 + 438 + 3 + 0 + 7 + 200 + 13 = 666.

It is not a de Polignac number, because 1443830720013 - 2⁹ = 1443830719501 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1443830720013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1443830720083) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 17476543 + ... + 17558963.

It is an arithmetic number, because the mean of its divisors is an integer number (25501366800).

Almost surely, 2^{1443830720013} is an apocalyptic number.

It is an amenable number.

1443830720013 is a deficient number, since it is larger than the sum of its proper divisors (1004300492787).

1443830720013 is a wasteful number, since it uses less digits than its factorization.

1443830720013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82663 (or 82660 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The spelling of 1443830720013 in words is "one trillion, four hundred forty-three billion, eight hundred thirty million, seven hundred twenty thousand, thirteen".