5185566434 has 8 divisors (see below), whose sum is σ = 7779143340. Its totient is φ = 2592518656.

The previous prime is 5185566409. The next prime is 5185566439. The reversal of 5185566434 is 4346655815.

It can be written as a sum of positive squares in 2 ways, for example, as 5137305625 + 48260809 = 71675^2 + 6947^2 .

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5185566439) 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 3 ways as a sum of consecutive naturals, for example, 106799 + ... + 147570.

Almost surely, 2^5185566434 is an apocalyptic number.

5185566434 is a deficient number, since it is larger than the sum of its proper divisors (2593576906).

5185566434 is a wasteful number, since it uses less digits than its factorization.

5185566434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264564.

The product of its digits is 1728000, while the sum is 47.

The square root of 5185566434 is about 72010.8771922687. The cubic root of 5185566434 is about 1730.8737869345.

The spelling of 5185566434 in words is "five billion, one hundred eighty-five million, five hundred sixty-six thousand, four hundred thirty-four".