519739899268 has 48 divisors (see below), whose sum is σ = 944160537600. Its totient is φ = 250042665600.

The previous prime is 519739899221. The next prime is 519739899277. The reversal of 519739899268 is 862998937915.

It is a super-2 number, since 2×519739899268² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 519739899194 and 519739899203.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81244246 + ... + 81250642.

It is an arithmetic number, because the mean of its divisors is an integer number (19670011200).

Almost surely, 2^519739899268 is an apocalyptic number.

519739899268 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

It is an amenable number.

519739899268 is a deficient number, since it is larger than the sum of its proper divisors (424420638332).

519739899268 is a wasteful number, since it uses less digits than its factorization.

519739899268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8740 (or 8738 counting only the distinct ones).

The product of its digits is 529079040, while the sum is 76.

The spelling of 519739899268 in words is "five hundred nineteen billion, seven hundred thirty-nine million, eight hundred ninety-nine thousand, two hundred sixty-eight".