5185423730 has 8 divisors (see below), whose sum is σ = 9333762732. Its totient is φ = 2074169488.

The previous prime is 5185423693. The next prime is 5185423751. The reversal of 5185423730 is 373245815.

It can be written as a sum of positive squares in 2 ways, for example, as 5019297409 + 166126321 = 70847^2 + 12889^2 .

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

It is a super-2 number, since 2×5185423730² = 53777238519294225800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 259271177 + ... + 259271196.

Almost surely, 2^5185423730 is an apocalyptic number.

5185423730 is a deficient number, since it is larger than the sum of its proper divisors (4148339002).

5185423730 is a wasteful number, since it uses less digits than its factorization.

5185423730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 518542380.

The product of its (nonzero) digits is 100800, while the sum is 38.

The square root of 5185423730 is about 72009.8863351415. The cubic root of 5185423730 is about 1730.8579092169.

The spelling of 5185423730 in words is "five billion, one hundred eighty-five million, four hundred twenty-three thousand, seven hundred thirty".