518889379 has 4 divisors (see below), whose sum is σ = 518940360. Its totient is φ = 518838400.

The previous prime is 518889367. The next prime is 518889389. The reversal of 518889379 is 973988815.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-518889379 is a prime.

It is a super-3 number, since 3×518889379³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (518889389) 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, 4414 + ... + 32515.

It is an arithmetic number, because the mean of its divisors is an integer number (129735090).

Almost surely, 2^518889379 is an apocalyptic number.

518889379 is a deficient number, since it is larger than the sum of its proper divisors (50981).

518889379 is a wasteful number, since it uses less digits than its factorization.

518889379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50980.

The product of its digits is 4354560, while the sum is 58.

The square root of 518889379 is about 22779.1435089206. The cubic root of 518889379 is about 803.5722433339.

The spelling of 518889379 in words is "five hundred eighteen million, eight hundred eighty-nine thousand, three hundred seventy-nine".