448291619 has 2 divisors, whose sum is σ = 448291620. Its totient is φ = 448291618.

The previous prime is 448291607. The next prime is 448291633. The reversal of 448291619 is 916192844.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-448291619 is a prime.

It is a super-2 number, since 2×448291619² = 401930751331282322, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 448291619.

It is not a weakly prime, because it can be changed into another prime (448291699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224145809 + 224145810.

It is an arithmetic number, because the mean of its divisors is an integer number (224145810).

Almost surely, 2^448291619 is an apocalyptic number.

448291619 is a deficient number, since it is larger than the sum of its proper divisors (1).

448291619 is an equidigital number, since it uses as much as digits as its factorization.

448291619 is an evil number, because the sum of its binary digits is even.

The product of its digits is 124416, while the sum is 44.

The square root of 448291619 is about 21172.8982191858. The cubic root of 448291619 is about 765.3384630142.

The spelling of 448291619 in words is "four hundred forty-eight million, two hundred ninety-one thousand, six hundred nineteen".