5817372845 has 4 divisors (see below), whose sum is σ = 6980847420. Its totient is φ = 4653898272.

The previous prime is 5817372839. The next prime is 5817372853. The reversal of 5817372845 is 5482737185.

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 3300042916 + 2517329929 = 57446^2 + 50173^2 .

It is a cyclic number.

It is not a de Polignac number, because 5817372845 - 2¹⁰ = 5817371821 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 5817372793 and 5817372802.

It is a congruent number.

It is an unprimeable number.

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, 581737280 + ... + 581737289.

It is an arithmetic number, because the mean of its divisors is an integer number (1745211855).

Almost surely, 2^5817372845 is an apocalyptic number.

It is an amenable number.

5817372845 is a deficient number, since it is larger than the sum of its proper divisors (1163474575).

5817372845 is a wasteful number, since it uses less digits than its factorization.

5817372845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1163474574.

The product of its digits is 1881600, while the sum is 50.

The square root of 5817372845 is about 76271.7040913601. The cubic root of 5817372845 is about 1798.4938888080.

The spelling of 5817372845 in words is "five billion, eight hundred seventeen million, three hundred seventy-two thousand, eight hundred forty-five".