445241042104549 has 2 divisors, whose sum is σ = 445241042104550. Its totient is φ = 445241042104548.

The previous prime is 445241042104487. The next prime is 445241042104583. The reversal of 445241042104549 is 945401240142544.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 359320192682049 + 85920849422500 = 18955743^2 + 9269350^2 .

It is a cyclic number.

It is not a de Polignac number, because 445241042104549 - 2⁹ = 445241042104037 is a prime.

It is a super-2 number, since 2×445241042104549² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (445241042104049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222620521052274 + 222620521052275.

It is an arithmetic number, because the mean of its divisors is an integer number (222620521052275).

Almost surely, 2^{445241042104549} is an apocalyptic number.

It is an amenable number.

445241042104549 is a deficient number, since it is larger than the sum of its proper divisors (1).

445241042104549 is an equidigital number, since it uses as much as digits as its factorization.

445241042104549 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3686400, while the sum is 49.

The spelling of 445241042104549 in words is "four hundred forty-five trillion, two hundred forty-one billion, forty-two million, one hundred four thousand, five hundred forty-nine".