445776413 has 2 divisors, whose sum is σ = 445776414. Its totient is φ = 445776412.

The previous prime is 445776379. The next prime is 445776421. The reversal of 445776413 is 314677544.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 412171204 + 33605209 = 20302^2 + 5797^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-445776413 is a prime.

It is a super-3 number, since 3×445776413³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (445776713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222888206 + 222888207.

It is an arithmetic number, because the mean of its divisors is an integer number (222888207).

Almost surely, 2^445776413 is an apocalyptic number.

It is an amenable number.

445776413 is a deficient number, since it is larger than the sum of its proper divisors (1).

445776413 is an equidigital number, since it uses as much as digits as its factorization.

445776413 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 282240, while the sum is 41.

The square root of 445776413 is about 21113.4178426895. The cubic root of 445776413 is about 763.9044297411.

The spelling of 445776413 in words is "four hundred forty-five million, seven hundred seventy-six thousand, four hundred thirteen".