448899999949 has 2 divisors, whose sum is σ = 448899999950. Its totient is φ = 448899999948.

The previous prime is 448899999937. The next prime is 448900000007. The reversal of 448899999949 is 949999998844.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 341807437449 + 107092562500 = 584643^2 + 327250^2 .

It is a cyclic number.

It is not a de Polignac number, because 448899999949 - 2²¹ = 448897902797 is a prime.

It is a super-2 number, since 2×448899999949² (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 (448899969949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224449999974 + 224449999975.

It is an arithmetic number, because the mean of its divisors is an integer number (224449999975).

Almost surely, 2^448899999949 is an apocalyptic number.

It is an amenable number.

448899999949 is a deficient number, since it is larger than the sum of its proper divisors (1).

448899999949 is an equidigital number, since it uses as much as digits as its factorization.

448899999949 is an evil number, because the sum of its binary digits is even.

The product of its digits is 19591041024, while the sum is 91.

The spelling of 448899999949 in words is "four hundred forty-eight billion, eight hundred ninety-nine million, nine hundred ninety-nine thousand, nine hundred forty-nine".