514691906843 has 4 divisors (see below), whose sum is σ = 515088740760. Its totient is φ = 514295072928.

The previous prime is 514691906831. The next prime is 514691906941. The reversal of 514691906843 is 348609196415.

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

It is a cyclic number.

It is not a de Polignac number, because 514691906843 - 2⁸ = 514691906587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (514691906803) 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, 198415013 + ... + 198417606.

It is an arithmetic number, because the mean of its divisors is an integer number (128772185190).

Almost surely, 2^514691906843 is an apocalyptic number.

514691906843 is a deficient number, since it is larger than the sum of its proper divisors (396833917).

514691906843 is a wasteful number, since it uses less digits than its factorization.

514691906843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396833916.

The product of its (nonzero) digits is 5598720, while the sum is 56.

The spelling of 514691906843 in words is "five hundred fourteen billion, six hundred ninety-one million, nine hundred six thousand, eight hundred forty-three".