501097172017 has 8 divisors (see below), whose sum is σ = 539772982056. Its totient is φ = 462439915392.

The previous prime is 501097171997. The next prime is 501097172027. The reversal of 501097172017 is 710271790105.

It can be written as a sum of positive squares in 4 ways, for example, as 1723163121 + 499374008896 = 41511^2 + 706664^2 .

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

It is not a de Polignac number, because 501097172017 - 2³⁵ = 466737433649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (501097172027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4582228 + ... + 4690309.

It is an arithmetic number, because the mean of its divisors is an integer number (67471622757).

Almost surely, 2^501097172017 is an apocalyptic number.

It is an amenable number.

501097172017 is a deficient number, since it is larger than the sum of its proper divisors (38675810039).

501097172017 is a wasteful number, since it uses less digits than its factorization.

501097172017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9276707.

The product of its (nonzero) digits is 30870, while the sum is 40.

The spelling of 501097172017 in words is "five hundred one billion, ninety-seven million, one hundred seventy-two thousand, seventeen".