5018642918 has 32 divisors (see below), whose sum is σ = 8086611456. Its totient is φ = 2330209728.

The previous prime is 5018642911. The next prime is 5018642927. The reversal of 5018642918 is 8192468105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5018642911) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 322730 + ... + 337922.

It is an arithmetic number, because the mean of its divisors is an integer number (252706608).

Almost surely, 2^5018642918 is an apocalyptic number.

5018642918 is a deficient number, since it is larger than the sum of its proper divisors (3067968538).

5018642918 is a wasteful number, since it uses less digits than its factorization.

5018642918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15428.

The product of its (nonzero) digits is 138240, while the sum is 44.

The square root of 5018642918 is about 70842.3808041486. The cubic root of 5018642918 is about 1712.0985734851.

The spelling of 5018642918 in words is "five billion, eighteen million, six hundred forty-two thousand, nine hundred eighteen".