449593118053519 has 4 divisors (see below), whose sum is σ = 490465219694760. Its totient is φ = 408721016412280.

The previous prime is 449593118053511. The next prime is 449593118053523. The reversal of 449593118053519 is 915350811395944.

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

It is not a de Polignac number, because 449593118053519 - 2³ = 449593118053511 is a prime.

It is a super-2 number, since 2×449593118053519² (a number of 30 digits) 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 (449593118053511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20436050820604 + ... + 20436050820625.

It is an arithmetic number, because the mean of its divisors is an integer number (122616304923690).

Almost surely, 2^{449593118053519} is an apocalyptic number.

449593118053519 is a deficient number, since it is larger than the sum of its proper divisors (40872101641241).

449593118053519 is a wasteful number, since it uses less digits than its factorization.

449593118053519 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40872101641240.

The product of its (nonzero) digits is 104976000, while the sum is 67.

The spelling of 449593118053519 in words is "four hundred forty-nine trillion, five hundred ninety-three billion, one hundred eighteen million, fifty-three thousand, five hundred nineteen".