445045070881 has 2 divisors, whose sum is σ = 445045070882. Its totient is φ = 445045070880.

The previous prime is 445045070861. The next prime is 445045070891. The reversal of 445045070881 is 188070540544.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 442311454225 + 2733616656 = 665065^2 + 52284^2 .

It is a cyclic number.

It is not a de Polignac number, because 445045070881 - 2¹⁷ = 445044939809 is a prime.

It is a super-3 number, since 3×445045070881³ (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (445045070851) 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, 222522535440 + 222522535441.

It is an arithmetic number, because the mean of its divisors is an integer number (222522535441).

Almost surely, 2^445045070881 is an apocalyptic number.

It is an amenable number.

445045070881 is a deficient number, since it is larger than the sum of its proper divisors (1).

445045070881 is an equidigital number, since it uses as much as digits as its factorization.

445045070881 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 716800, while the sum is 46.

The spelling of 445045070881 in words is "four hundred forty-five billion, forty-five million, seventy thousand, eight hundred eighty-one".