5129191371 has 4 divisors (see below), whose sum is σ = 6838921832. Its totient is φ = 3419460912.

The previous prime is 5129191339. The next prime is 5129191381. The reversal of 5129191371 is 1731919215.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 5129191371 - 2⁵ = 5129191339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5129191381) 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, 854865226 + ... + 854865231.

It is an arithmetic number, because the mean of its divisors is an integer number (1709730458).

Almost surely, 2^5129191371 is an apocalyptic number.

5129191371 is a deficient number, since it is larger than the sum of its proper divisors (1709730461).

5129191371 is a wasteful number, since it uses less digits than its factorization.

5129191371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1709730460.

The product of its digits is 17010, while the sum is 39.

The square root of 5129191371 is about 71618.3731384622. The cubic root of 5129191371 is about 1724.5785005027.

The spelling of 5129191371 in words is "five billion, one hundred twenty-nine million, one hundred ninety-one thousand, three hundred seventy-one".