1328786880043 has 8 divisors (see below), whose sum is σ = 1533649356000. Its totient is φ = 1127683348800.

The previous prime is 1328786879983. The next prime is 1328786880061. The reversal of 1328786880043 is 3400886878231.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1328786880043 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1328786880043.

It is not an unprimeable number, because it can be changed into a prime (1328786380043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 939735418 + ... + 939736831.

It is an arithmetic number, because the mean of its divisors is an integer number (191706169500).

Almost surely, 2^{1328786880043} is an apocalyptic number.

1328786880043 is a deficient number, since it is larger than the sum of its proper divisors (204862475957).

1328786880043 is a wasteful number, since it uses less digits than its factorization.

1328786880043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1879472357.

The product of its (nonzero) digits is 12386304, while the sum is 58.

The spelling of 1328786880043 in words is "one trillion, three hundred twenty-eight billion, seven hundred eighty-six million, eight hundred eighty thousand, forty-three".