519349166339 has 4 divisors (see below), whose sum is σ = 522040094856. Its totient is φ = 516658237824.

The previous prime is 519349166333. The next prime is 519349166341. The reversal of 519349166339 is 933661943915.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-519349166339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (519349166333) 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, 1345463969 + ... + 1345464354.

It is an arithmetic number, because the mean of its divisors is an integer number (130510023714).

Almost surely, 2^519349166339 is an apocalyptic number.

519349166339 is a deficient number, since it is larger than the sum of its proper divisors (2690928517).

519349166339 is a wasteful number, since it uses less digits than its factorization.

519349166339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2690928516.

The product of its digits is 14171760, while the sum is 59.

The spelling of 519349166339 in words is "five hundred nineteen billion, three hundred forty-nine million, one hundred sixty-six thousand, three hundred thirty-nine".