445762230218213 has 2 divisors, whose sum is σ = 445762230218214. Its totient is φ = 445762230218212.

The previous prime is 445762230218143. The next prime is 445762230218251. The reversal of 445762230218213 is 312812032267544.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 417480436146244 + 28281794071969 = 20432338^2 + 5318063^2 .

It is a cyclic number.

It is not a de Polignac number, because 445762230218213 - 2⁸ = 445762230217957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (445762233218213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222881115109106 + 222881115109107.

It is an arithmetic number, because the mean of its divisors is an integer number (222881115109107).

Almost surely, 2^{445762230218213} is an apocalyptic number.

It is an amenable number.

445762230218213 is a deficient number, since it is larger than the sum of its proper divisors (1).

445762230218213 is an equidigital number, since it uses as much as digits as its factorization.

445762230218213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3870720, while the sum is 50.

The spelling of 445762230218213 in words is "four hundred forty-five trillion, seven hundred sixty-two billion, two hundred thirty million, two hundred eighteen thousand, two hundred thirteen".