1745724288013 has 2 divisors, whose sum is σ = 1745724288014. Its totient is φ = 1745724288012.

The previous prime is 1745724287999. The next prime is 1745724288029. The reversal of 1745724288013 is 3108824275471.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 900652246729 + 845072041284 = 949027^2 + 919278^2 .

It is a cyclic number.

It is not a de Polignac number, because 1745724288013 - 2²⁵ = 1745690733581 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1745724288043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 872862144006 + 872862144007.

It is an arithmetic number, because the mean of its divisors is an integer number (872862144007).

Almost surely, 2^{1745724288013} is an apocalyptic number.

It is an amenable number.

1745724288013 is a deficient number, since it is larger than the sum of its proper divisors (1).

1745724288013 is an equidigital number, since it uses as much as digits as its factorization.

1745724288013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3010560, while the sum is 52.

The spelling of 1745724288013 in words is "one trillion, seven hundred forty-five billion, seven hundred twenty-four million, two hundred eighty-eight thousand, thirteen".