448388865907 has 2 divisors, whose sum is σ = 448388865908. Its totient is φ = 448388865906.

The previous prime is 448388865871. The next prime is 448388865929. The reversal of 448388865907 is 709568883844.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-448388865907 is a prime.

It is not a weakly prime, because it can be changed into another prime (448388865607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224194432953 + 224194432954.

It is an arithmetic number, because the mean of its divisors is an integer number (224194432954).

Almost surely, 2^448388865907 is an apocalyptic number.

448388865907 is a deficient number, since it is larger than the sum of its proper divisors (1).

448388865907 is an equidigital number, since it uses as much as digits as its factorization.

448388865907 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 371589120, while the sum is 70.

The spelling of 448388865907 in words is "four hundred forty-eight billion, three hundred eighty-eight million, eight hundred sixty-five thousand, nine hundred seven".