1720320000089 has 4 divisors (see below), whose sum is σ = 1795116521856. Its totient is φ = 1645523478324.

The previous prime is 1720320000029. The next prime is 1720320000097. The reversal of 1720320000089 is 9800000230271.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1720320000089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1720320000029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37398260849 + ... + 37398260894.

It is an arithmetic number, because the mean of its divisors is an integer number (448779130464).

Almost surely, 2^{1720320000089} is an apocalyptic number.

It is an amenable number.

1720320000089 is a deficient number, since it is larger than the sum of its proper divisors (74796521767).

1720320000089 is an equidigital number, since it uses as much as digits as its factorization.

1720320000089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74796521766.

The product of its (nonzero) digits is 6048, while the sum is 32.

The spelling of 1720320000089 in words is "one trillion, seven hundred twenty billion, three hundred twenty million, eighty-nine", and thus it is an aban number.