448377585709 has 2 divisors, whose sum is σ = 448377585710. Its totient is φ = 448377585708.

The previous prime is 448377585701. The next prime is 448377585727. The reversal of 448377585709 is 907585773844.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 293281818025 + 155095767684 = 541555^2 + 393822^2 .

It is a cyclic number.

It is not a de Polignac number, because 448377585709 - 2³ = 448377585701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (448377585701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224188792854 + 224188792855.

It is an arithmetic number, because the mean of its divisors is an integer number (224188792855).

Almost surely, 2^448377585709 is an apocalyptic number.

It is an amenable number.

448377585709 is a deficient number, since it is larger than the sum of its proper divisors (1).

448377585709 is an equidigital number, since it uses as much as digits as its factorization.

448377585709 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 237081600, while the sum is 67.

The spelling of 448377585709 in words is "four hundred forty-eight billion, three hundred seventy-seven million, five hundred eighty-five thousand, seven hundred nine".