5018357985 has 16 divisors (see below), whose sum is σ = 8165465280. Its totient is φ = 2631093440.

The previous prime is 5018357977. The next prime is 5018357987. The reversal of 5018357985 is 5897538105.

It is not a de Polignac number, because 5018357985 - 2³ = 5018357977 is a prime.

It is a super-2 number, since 2×5018357985² = 50367833731226520450, which contains 22 as substring.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (5018357987) 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, 2834346 + ... + 2836115.

It is an arithmetic number, because the mean of its divisors is an integer number (510341580).

Almost surely, 2^5018357985 is an apocalyptic number.

It is an amenable number.

5018357985 is a deficient number, since it is larger than the sum of its proper divisors (3147107295).

5018357985 is a wasteful number, since it uses less digits than its factorization.

5018357985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5670528.

The product of its (nonzero) digits is 1512000, while the sum is 51.

The square root of 5018357985 is about 70840.3697407065. The cubic root of 5018357985 is about 1712.0661714577.

The spelling of 5018357985 in words is "five billion, eighteen million, three hundred fifty-seven thousand, nine hundred eighty-five".