5039194986 has 72 divisors (see below), whose sum is σ = 12711647520. Its totient is φ = 1438544016.

The previous prime is 5039194981. The next prime is 5039194999. The reversal of 5039194986 is 6894919305.

5039194986 is a `hidden beast` number, since 503 + 9 + 19 + 49 + 86 = 666.

It is a super-2 number, since 2×5039194986² = 50786972213855080392, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5039194981) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1744035 + ... + 1746921.

It is an arithmetic number, because the mean of its divisors is an integer number (176550660).

Almost surely, 2^5039194986 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5039194986, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6355823760).

5039194986 is an abundant number, since it is smaller than the sum of its proper divisors (7672452534).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5039194986 is a wasteful number, since it uses less digits than its factorization.

5039194986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4888 (or 4878 counting only the distinct ones).

The product of its (nonzero) digits is 2099520, while the sum is 54.

The square root of 5039194986 is about 70987.2874957200. The cubic root of 5039194986 is about 1714.4324874987.

The spelling of 5039194986 in words is "five billion, thirty-nine million, one hundred ninety-four thousand, nine hundred eighty-six".