517047943601 has 16 divisors (see below), whose sum is σ = 606456816000. Its totient is φ = 440622144144.

The previous prime is 517047943591. The next prime is 517047943603. The reversal of 517047943601 is 106349740715.

It is a de Polignac number, because none of the positive numbers 2^k-517047943601 is a prime.

It is not an unprimeable number, because it can be changed into a prime (517047943603) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4297391 + ... + 4416068.

It is an arithmetic number, because the mean of its divisors is an integer number (37903551000).

Almost surely, 2^517047943601 is an apocalyptic number.

It is an amenable number.

517047943601 is a deficient number, since it is larger than the sum of its proper divisors (89408872399).

517047943601 is an equidigital number, since it uses as much as digits as its factorization.

517047943601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8713653 (or 8713639 counting only the distinct ones).

The product of its (nonzero) digits is 635040, while the sum is 47.

The spelling of 517047943601 in words is "five hundred seventeen billion, forty-seven million, nine hundred forty-three thousand, six hundred one".