1445353606513 has 2 divisors, whose sum is σ = 1445353606514. Its totient is φ = 1445353606512.

The previous prime is 1445353606483. The next prime is 1445353606583. The reversal of 1445353606513 is 3156063535441.

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., 1405156564449 + 40197042064 = 1185393^2 + 200492^2 .

It is a cyclic number.

It is not a de Polignac number, because 1445353606513 - 2³⁷ = 1307914653041 is a prime.

It is not a weakly prime, because it can be changed into another prime (1445353606583) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 722676803256 + 722676803257.

It is an arithmetic number, because the mean of its divisors is an integer number (722676803257).

Almost surely, 2^{1445353606513} is an apocalyptic number.

It is an amenable number.

1445353606513 is a deficient number, since it is larger than the sum of its proper divisors (1).

1445353606513 is an equidigital number, since it uses as much as digits as its factorization.

1445353606513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944000, while the sum is 46.

The spelling of 1445353606513 in words is "one trillion, four hundred forty-five billion, three hundred fifty-three million, six hundred six thousand, five hundred thirteen".