5171697815 has 4 divisors (see below), whose sum is σ = 6206037384. Its totient is φ = 4137358248.

The previous prime is 5171697809. The next prime is 5171697841. The reversal of 5171697815 is 5187961715.

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 5171697815 - 2¹⁰ = 5171696791 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 517169777 + ... + 517169786.

It is an arithmetic number, because the mean of its divisors is an integer number (1551509346).

Almost surely, 2^5171697815 is an apocalyptic number.

5171697815 is a deficient number, since it is larger than the sum of its proper divisors (1034339569).

5171697815 is a wasteful number, since it uses less digits than its factorization.

5171697815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1034339568.

The product of its digits is 529200, while the sum is 50.

The square root of 5171697815 is about 71914.5174147752. The cubic root of 5171697815 is about 1729.3293551431.

The spelling of 5171697815 in words is "five billion, one hundred seventy-one million, six hundred ninety-seven thousand, eight hundred fifteen".