5186727221 has 8 divisors (see below), whose sum is σ = 5600070840. Its totient is φ = 4775435712.

The previous prime is 5186727199. The next prime is 5186727241. The reversal of 5186727221 is 1227276815.

It can be written as a sum of positive squares in 4 ways, for example, as 181872196 + 5004855025 = 13486^2 + 70745^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5186727221 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5186727241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 507770 + ... + 517883.

It is an arithmetic number, because the mean of its divisors is an integer number (700008855).

Almost surely, 2^5186727221 is an apocalyptic number.

It is an amenable number.

5186727221 is a deficient number, since it is larger than the sum of its proper divisors (413343619).

5186727221 is a wasteful number, since it uses less digits than its factorization.

5186727221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1026055.

The product of its digits is 94080, while the sum is 41.

The square root of 5186727221 is about 72018.9365444950. The cubic root of 5186727221 is about 1731.0029291036.

The spelling of 5186727221 in words is "five billion, one hundred eighty-six million, seven hundred twenty-seven thousand, two hundred twenty-one".