1745328989882 has 4 divisors (see below), whose sum is σ = 2617993484826. Its totient is φ = 872664494940.

The previous prime is 1745328989869. The next prime is 1745328989893. The reversal of 1745328989882 is 2889898235471.

It is a Cunningham number, because it is equal to 1321109²+1.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1745328989881 + 1 = 1321109^2 + 1^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 436332247469 + ... + 436332247472.

Almost surely, 2^{1745328989882} is an apocalyptic number.

1745328989882 is a deficient number, since it is larger than the sum of its proper divisors (872664494944).

1745328989882 is an equidigital number, since it uses as much as digits as its factorization.

1745328989882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 872664494943.

The product of its digits is 557383680, while the sum is 74.

The spelling of 1745328989882 in words is "one trillion, seven hundred forty-five billion, three hundred twenty-eight million, nine hundred eighty-nine thousand, eight hundred eighty-two".