519398419444 has 24 divisors (see below), whose sum is σ = 938361973248. Its totient is φ = 251296674720.

The previous prime is 519398419391. The next prime is 519398419459. The reversal of 519398419444 is 444914893915.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1066242 + ... + 1475014.

It is an arithmetic number, because the mean of its divisors is an integer number (39098415552).

Almost surely, 2^519398419444 is an apocalyptic number.

It is an amenable number.

519398419444 is a deficient number, since it is larger than the sum of its proper divisors (418963553804).

519398419444 is a wasteful number, since it uses less digits than its factorization.

519398419444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 419055 (or 419053 counting only the distinct ones).

The product of its digits is 22394880, while the sum is 61.

The spelling of 519398419444 in words is "five hundred nineteen billion, three hundred ninety-eight million, four hundred nineteen thousand, four hundred forty-four".