945320444377 has 2 divisors, whose sum is σ = 945320444378. Its totient is φ = 945320444376.

The previous prime is 945320444359. The next prime is 945320444441. The reversal of 945320444377 is 773444023549.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 619154954496 + 326165489881 = 786864^2 + 571109^2 .

It is an emirp because it is prime and its reverse (773444023549) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 945320444377 - 2¹⁹ = 945319920089 is a prime.

It is not a weakly prime, because it can be changed into another prime (945320444317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 472660222188 + 472660222189.

It is an arithmetic number, because the mean of its divisors is an integer number (472660222189).

Almost surely, 2^945320444377 is an apocalyptic number.

It is an amenable number.

945320444377 is a deficient number, since it is larger than the sum of its proper divisors (1).

945320444377 is an equidigital number, since it uses as much as digits as its factorization.

945320444377 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10160640, while the sum is 52.

The spelling of 945320444377 in words is "nine hundred forty-five billion, three hundred twenty million, four hundred forty-four thousand, three hundred seventy-seven".