1745874287489 has 2 divisors, whose sum is σ = 1745874287490. Its totient is φ = 1745874287488.

The previous prime is 1745874287459. The next prime is 1745874287501. The reversal of 1745874287489 is 9847824785471.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 925415140225 + 820459147264 = 961985^2 + 905792^2 .

It is a cyclic number.

It is not a de Polignac number, because 1745874287489 - 2²⁰ = 1745873238913 is a prime.

It is a super-3 number, since 3×1745874287489³ (a number of 38 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (1745874287459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 872937143744 + 872937143745.

It is an arithmetic number, because the mean of its divisors is an integer number (872937143745).

Almost surely, 2^{1745874287489} is an apocalyptic number.

It is an amenable number.

1745874287489 is a deficient number, since it is larger than the sum of its proper divisors (1).

1745874287489 is an equidigital number, since it uses as much as digits as its factorization.

1745874287489 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1011548160, while the sum is 74.

The spelling of 1745874287489 in words is "one trillion, seven hundred forty-five billion, eight hundred seventy-four million, two hundred eighty-seven thousand, four hundred eighty-nine".