5181671019 has 16 divisors (see below), whose sum is σ = 8168152320. Its totient is φ = 2858852640.

The previous prime is 5181671017. The next prime is 5181671021. The reversal of 5181671019 is 9101761815.

It is an interprime number because it is at equal distance from previous prime (5181671017) and next prime (5181671021).

It is not a de Polignac number, because 5181671019 - 2¹ = 5181671017 is a prime.

It is a super-2 number, since 2×5181671019² = 53699429098288996722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5181671017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4253637 + ... + 4254854.

It is an arithmetic number, because the mean of its divisors is an integer number (510509520).

Almost surely, 2^5181671019 is an apocalyptic number.

5181671019 is a deficient number, since it is larger than the sum of its proper divisors (2986481301).

5181671019 is a wasteful number, since it uses less digits than its factorization.

5181671019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8508530.

The product of its (nonzero) digits is 15120, while the sum is 39.

The square root of 5181671019 is about 71983.8247038875. The cubic root of 5181671019 is about 1730.4402656194.

The spelling of 5181671019 in words is "five billion, one hundred eighty-one million, six hundred seventy-one thousand, nineteen".