518867049 has 8 divisors (see below), whose sum is σ = 692060992. Its totient is φ = 345792240.

The previous prime is 518867039. The next prime is 518867093. The reversal of 518867049 is 940768815.

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

It is not a de Polignac number, because 518867049 - 2¹⁶ = 518801513 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 518866989 and 518867007.

It is not an unprimeable number, because it can be changed into a prime (518867039) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19069 + ... + 37434.

It is an arithmetic number, because the mean of its divisors is an integer number (86507624).

Almost surely, 2^518867049 is an apocalyptic number.

It is an amenable number.

518867049 is a deficient number, since it is larger than the sum of its proper divisors (173193943).

518867049 is a wasteful number, since it uses less digits than its factorization.

518867049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59567.

The product of its (nonzero) digits is 483840, while the sum is 48.

The square root of 518867049 is about 22778.6533623039. The cubic root of 518867049 is about 803.5607161335.

The spelling of 518867049 in words is "five hundred eighteen million, eight hundred sixty-seven thousand, forty-nine".