5147181318 has 8 divisors (see below), whose sum is σ = 10294362648. Its totient is φ = 1715727104.

The previous prime is 5147181311. The next prime is 5147181329. The reversal of 5147181318 is 8131817415.

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

5147181318 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5147181311) 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, 428931771 + ... + 428931782.

It is an arithmetic number, because the mean of its divisors is an integer number (1286795331).

Almost surely, 2^5147181318 is an apocalyptic number.

5147181318 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5147181318 is a wasteful number, since it uses less digits than its factorization.

5147181318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 857863558.

The product of its digits is 26880, while the sum is 39.

The square root of 5147181318 is about 71743.8590960927. The cubic root of 5147181318 is about 1726.5923900227.

The spelling of 5147181318 in words is "five billion, one hundred forty-seven million, one hundred eighty-one thousand, three hundred eighteen".