445738008216613 has 6 divisors (see below), whose sum is σ = 518511560578566. Its totient is φ = 382061149899912.

The previous prime is 445738008216581. The next prime is 445738008216649. The reversal of 445738008216613 is 316612800837544.

It can be written as a sum of positive squares in only one way, i.e., 445081003945249 + 657004271364 = 21096943^2 + 810558^2 .

It is not a de Polignac number, because 445738008216613 - 2⁵ = 445738008216581 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445738008216653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4548347022570 + ... + 4548347022667.

It is an arithmetic number, because the mean of its divisors is an integer number (86418593429761).

Almost surely, 2^{445738008216613} is an apocalyptic number.

It is an amenable number.

445738008216613 is a deficient number, since it is larger than the sum of its proper divisors (72773552361953).

445738008216613 is an equidigital number, since it uses as much as digits as its factorization.

445738008216613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9096694045251 (or 9096694045244 counting only the distinct ones).

The product of its (nonzero) digits is 23224320, while the sum is 58.

The spelling of 445738008216613 in words is "four hundred forty-five trillion, seven hundred thirty-eight billion, eight million, two hundred sixteen thousand, six hundred thirteen".