1448891519 has 2 divisors, whose sum is σ = 1448891520. Its totient is φ = 1448891518.

The previous prime is 1448891503. The next prime is 1448891527. The reversal of 1448891519 is 9151988441.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1448891519 - 2⁴ = 1448891503 is a prime.

It is a super-2 number, since 2×1448891519² = 4198573267660254722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1448891219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 724445759 + 724445760.

It is an arithmetic number, because the mean of its divisors is an integer number (724445760).

Almost surely, 2^1448891519 is an apocalyptic number.

1448891519 is a deficient number, since it is larger than the sum of its proper divisors (1).

1448891519 is an equidigital number, since it uses as much as digits as its factorization.

1448891519 is an evil number, because the sum of its binary digits is even.

The product of its digits is 414720, while the sum is 50.

The square root of 1448891519 is about 38064.3076779284. The cubic root of 1448891519 is about 1131.5627004706.

The spelling of 1448891519 in words is "one billion, four hundred forty-eight million, eight hundred ninety-one thousand, five hundred nineteen".