5143549986 has 24 divisors (see below), whose sum is σ = 11301323904. Its totient is φ = 1690368120.

The previous prime is 5143549973. The next prime is 5143550029. The reversal of 5143549986 is 6899453415.

5143549986 is a `hidden beast` number, since 5 + 1 + 4 + 3 + 549 + 98 + 6 = 666.

It is a super-2 number, since 2×5143549986² = 52912212916961200392, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2011066 + ... + 2013621.

It is an arithmetic number, because the mean of its divisors is an integer number (470888496).

Almost surely, 2^5143549986 is an apocalyptic number.

5143549986 is an abundant number, since it is smaller than the sum of its proper divisors (6157773918).

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

5143549986 is a wasteful number, since it uses less digits than its factorization.

5143549986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4024766 (or 4024763 counting only the distinct ones).

The product of its digits is 4665600, while the sum is 54.

The square root of 5143549986 is about 71718.5470153990. The cubic root of 5143549986 is about 1726.1862580163.

The spelling of 5143549986 in words is "five billion, one hundred forty-three million, five hundred forty-nine thousand, nine hundred eighty-six".