517420001671 has 8 divisors (see below), whose sum is σ = 518883627600. Its totient is φ = 515957061120.

The previous prime is 517420001663. The next prime is 517420001677. The reversal of 517420001671 is 176100024715.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 517420001671 - 2³ = 517420001663 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (517420001677) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1359975 + ... + 1698343.

It is an arithmetic number, because the mean of its divisors is an integer number (64860453450).

Almost surely, 2^517420001671 is an apocalyptic number.

517420001671 is a deficient number, since it is larger than the sum of its proper divisors (1463625929).

517420001671 is a wasteful number, since it uses less digits than its factorization.

517420001671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342689.

The product of its (nonzero) digits is 11760, while the sum is 34.

The spelling of 517420001671 in words is "five hundred seventeen billion, four hundred twenty million, one thousand, six hundred seventy-one".