5171018639 has 8 divisors (see below), whose sum is σ = 5526368208. Its totient is φ = 4821354880.

The previous prime is 5171018609. The next prime is 5171018659. The reversal of 5171018639 is 9368101715.

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 5171018639 - 2²⁰ = 5169970063 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5171018596 and 5171018605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5171018609) 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, 1419572 + ... + 1423209.

It is an arithmetic number, because the mean of its divisors is an integer number (690796026).

Almost surely, 2^5171018639 is an apocalyptic number.

5171018639 is a deficient number, since it is larger than the sum of its proper divisors (355349569).

5171018639 is a wasteful number, since it uses less digits than its factorization.

5171018639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2842905.

The product of its (nonzero) digits is 45360, while the sum is 41.

The square root of 5171018639 is about 71909.7951533725. The cubic root of 5171018639 is about 1729.2536501262.

The spelling of 5171018639 in words is "five billion, one hundred seventy-one million, eighteen thousand, six hundred thirty-nine".