5418847181 has 12 divisors (see below), whose sum is σ = 5960295516. Its totient is φ = 4922881920.

The previous prime is 5418847169. The next prime is 5418847193. The reversal of 5418847181 is 1817488145.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (5418847169) and next prime (5418847193).

It can be written as a sum of positive squares in 2 ways, for example, as 1849860100 + 3568987081 = 43010^2 + 59741^2 .

It is not a de Polignac number, because 5418847181 - 2¹⁰ = 5418846157 is a prime.

It is a super-2 number, since 2×5418847181² = 58727809542063293522, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5418847111) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 173495 + ... + 202331.

It is an arithmetic number, because the mean of its divisors is an integer number (496691293).

Almost surely, 2^5418847181 is an apocalyptic number.

It is an amenable number.

5418847181 is a deficient number, since it is larger than the sum of its proper divisors (541448335).

5418847181 is a wasteful number, since it uses less digits than its factorization.

5418847181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30412 (or 30401 counting only the distinct ones).

The product of its digits is 286720, while the sum is 47.

The square root of 5418847181 is about 73612.8194066767. The cubic root of 5418847181 is about 1756.4493651819.

The spelling of 5418847181 in words is "five billion, four hundred eighteen million, eight hundred forty-seven thousand, one hundred eighty-one".