1445444595613 has 2 divisors, whose sum is σ = 1445444595614. Its totient is φ = 1445444595612.

The previous prime is 1445444595571. The next prime is 1445444595619. The reversal of 1445444595613 is 3165954445441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1383874609924 + 61569985689 = 1176382^2 + 248133^2 .

It is a cyclic number.

It is not a de Polignac number, because 1445444595613 - 2¹³ = 1445444587421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1445444595619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 722722297806 + 722722297807.

It is an arithmetic number, because the mean of its divisors is an integer number (722722297807).

Almost surely, 2^{1445444595613} is an apocalyptic number.

It is an amenable number.

1445444595613 is a deficient number, since it is larger than the sum of its proper divisors (1).

1445444595613 is an equidigital number, since it uses as much as digits as its factorization.

1445444595613 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20736000, while the sum is 55.

The spelling of 1445444595613 in words is "one trillion, four hundred forty-five billion, four hundred forty-four million, five hundred ninety-five thousand, six hundred thirteen".