1728745714603 has 4 divisors (see below), whose sum is σ = 1728780735528. Its totient is φ = 1728710693680.

The previous prime is 1728745714601. The next prime is 1728745714637. The reversal of 1728745714603 is 3064175478271.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1728745714603 - 2¹ = 1728745714601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1728745714601) 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, 17436313 + ... + 17535178.

It is an arithmetic number, because the mean of its divisors is an integer number (432195183882).

Almost surely, 2^{1728745714603} is an apocalyptic number.

1728745714603 is a deficient number, since it is larger than the sum of its proper divisors (35020925).

1728745714603 is an equidigital number, since it uses as much as digits as its factorization.

1728745714603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35020924.

The product of its (nonzero) digits is 7902720, while the sum is 55.

The spelling of 1728745714603 in words is "one trillion, seven hundred twenty-eight billion, seven hundred forty-five million, seven hundred fourteen thousand, six hundred three".