5171928658 has 8 divisors (see below), whose sum is σ = 8354654028. Its totient is φ = 2387043984.

The previous prime is 5171928653. The next prime is 5171928661. The reversal of 5171928658 is 8568291715.

It can be written as a sum of positive squares in 2 ways, for example, as 4789608849 + 382319809 = 69207^2 + 19553^2 .

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

It is not an unprimeable number, because it can be changed into a prime (5171928653) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 99460141 + ... + 99460192.

Almost surely, 2^5171928658 is an apocalyptic number.

5171928658 is a deficient number, since it is larger than the sum of its proper divisors (3182725370).

5171928658 is a wasteful number, since it uses less digits than its factorization.

5171928658 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198920348.

The product of its digits is 1209600, while the sum is 52.

The square root of 5171928658 is about 71916.1223787824. The cubic root of 5171928658 is about 1729.3550847746.

The spelling of 5171928658 in words is "five billion, one hundred seventy-one million, nine hundred twenty-eight thousand, six hundred fifty-eight".