5171591445 has 16 divisors (see below), whose sum is σ = 8317873152. Its totient is φ = 2743739840.

The previous prime is 5171591413. The next prime is 5171591459. The reversal of 5171591445 is 5441951715.

It is not a de Polignac number, because 5171591445 - 2⁵ = 5171591413 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5171591397 and 5171591406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 899682 + ... + 905411.

It is an arithmetic number, because the mean of its divisors is an integer number (519867072).

Almost surely, 2^5171591445 is an apocalyptic number.

It is an amenable number.

5171591445 is a deficient number, since it is larger than the sum of its proper divisors (3146281707).

5171591445 is a wasteful number, since it uses less digits than its factorization.

5171591445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1805292.

The product of its digits is 126000, while the sum is 42.

The square root of 5171591445 is about 71913.7778523698. Note that the first 3 decimals coincide. The cubic root of 5171591445 is about 1729.3174989448.

The spelling of 5171591445 in words is "five billion, one hundred seventy-one million, five hundred ninety-one thousand, four hundred forty-five".