5010815218 has 4 divisors (see below), whose sum is σ = 7516222830. Its totient is φ = 2505407608.

The previous prime is 5010815207. The next prime is 5010815267. The reversal of 5010815218 is 8125180105.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2731421169 + 2279394049 = 52263^2 + 47743^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 5010815218.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1252703803 + ... + 1252703806.

Almost surely, 2^5010815218 is an apocalyptic number.

5010815218 is a deficient number, since it is larger than the sum of its proper divisors (2505407612).

5010815218 is a wasteful number, since it uses less digits than its factorization.

5010815218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2505407611.

The product of its (nonzero) digits is 3200, while the sum is 31.

The square root of 5010815218 is about 70787.1119484331. Note that the first 3 decimals coincide. The cubic root of 5010815218 is about 1711.2079763012.

The spelling of 5010815218 in words is "five billion, ten million, eight hundred fifteen thousand, two hundred eighteen".