5137308805 has 4 divisors (see below), whose sum is σ = 6164770572. Its totient is φ = 4109847040.

The previous prime is 5137308793. The next prime is 5137308851. The reversal of 5137308805 is 5088037315.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2019873249 + 3117435556 = 44943^2 + 55834^2 .

It is not a de Polignac number, because 5137308805 - 2¹⁵ = 5137276037 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

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, 513730876 + ... + 513730885.

It is an arithmetic number, because the mean of its divisors is an integer number (1541192643).

Almost surely, 2^5137308805 is an apocalyptic number.

It is an amenable number.

5137308805 is a deficient number, since it is larger than the sum of its proper divisors (1027461767).

5137308805 is a wasteful number, since it uses less digits than its factorization.

5137308805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1027461766.

The product of its (nonzero) digits is 100800, while the sum is 40.

The square root of 5137308805 is about 71675.0221834636. The cubic root of 5137308805 is about 1725.4877909173.

The spelling of 5137308805 in words is "five billion, one hundred thirty-seven million, three hundred eight thousand, eight hundred five".