445106563501 has 2 divisors, whose sum is σ = 445106563502. Its totient is φ = 445106563500.

The previous prime is 445106563487. The next prime is 445106563507. The reversal of 445106563501 is 105365601544.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 389999001001 + 55107562500 = 624499^2 + 234750^2 .

It is a cyclic number.

It is not a de Polignac number, because 445106563501 - 2⁵ = 445106563469 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (445106563507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222553281750 + 222553281751.

It is an arithmetic number, because the mean of its divisors is an integer number (222553281751).

Almost surely, 2^445106563501 is an apocalyptic number.

It is an amenable number.

445106563501 is a deficient number, since it is larger than the sum of its proper divisors (1).

445106563501 is an equidigital number, since it uses as much as digits as its factorization.

445106563501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216000, while the sum is 40.

The spelling of 445106563501 in words is "four hundred forty-five billion, one hundred six million, five hundred sixty-three thousand, five hundred one".