6448451119 has 4 divisors (see below), whose sum is σ = 7034673960. Its totient is φ = 5862228280.

The previous prime is 6448451111. The next prime is 6448451167. The reversal of 6448451119 is 9111548446.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6448451119 - 2³ = 6448451111 is a prime.

It is a super-2 number, since 2×6448451119² = 83165043668264704322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6448451111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 293111404 + ... + 293111425.

It is an arithmetic number, because the mean of its divisors is an integer number (1758668490).

Almost surely, 2^6448451119 is an apocalyptic number.

6448451119 is a deficient number, since it is larger than the sum of its proper divisors (586222841).

6448451119 is a wasteful number, since it uses less digits than its factorization.

6448451119 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 586222840.

The product of its digits is 138240, while the sum is 43.

The square root of 6448451119 is about 80302.2485301626. The cubic root of 6448451119 is about 1861.3089717449.

The spelling of 6448451119 in words is "six billion, four hundred forty-eight million, four hundred fifty-one thousand, one hundred nineteen".