448289167919 has 2 divisors, whose sum is σ = 448289167920. Its totient is φ = 448289167918.

The previous prime is 448289167897. The next prime is 448289167951. The reversal of 448289167919 is 919761982844.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-448289167919 is a prime.

It is a super-2 number, since 2×448289167919² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (448289160919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224144583959 + 224144583960.

It is an arithmetic number, because the mean of its divisors is an integer number (224144583960).

Almost surely, 2^448289167919 is an apocalyptic number.

448289167919 is a deficient number, since it is larger than the sum of its proper divisors (1).

448289167919 is an equidigital number, since it uses as much as digits as its factorization.

448289167919 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 62705664, while the sum is 68.

The spelling of 448289167919 in words is "four hundred forty-eight billion, two hundred eighty-nine million, one hundred sixty-seven thousand, nine hundred nineteen".