517442194830 has 64 divisors (see below), whose sum is σ = 1356548041728. Its totient is φ = 125274764160.

The previous prime is 517442194823. The next prime is 517442194837. The reversal of 517442194830 is 38491244715.

It is an interprime number because it is at equal distance from previous prime (517442194823) and next prime (517442194837).

It is a self number, because there is not a number n which added to its sum of digits gives 517442194830.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (517442194837) 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 31 ways as a sum of consecutive naturals, for example, 785862 + ... + 1285481.

It is an arithmetic number, because the mean of its divisors is an integer number (21196063152).

Almost surely, 2^517442194830 is an apocalyptic number.

517442194830 is an abundant number, since it is smaller than the sum of its proper divisors (839105846898).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

517442194830 is a wasteful number, since it uses less digits than its factorization.

517442194830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2072121.

The product of its (nonzero) digits is 967680, while the sum is 48.

The spelling of 517442194830 in words is "five hundred seventeen billion, four hundred forty-two million, one hundred ninety-four thousand, eight hundred thirty".