5131873385 has 8 divisors (see below), whose sum is σ = 6520498056. Its totient is φ = 3863998720.

The previous prime is 5131873361. The next prime is 5131873421. The reversal of 5131873385 is 5833781315.

It can be written as a sum of positive squares in 4 ways, for example, as 2590402816 + 2541470569 = 50896^2 + 50413^2 .

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

It is not a de Polignac number, because 5131873385 - 2¹⁸ = 5131611241 is a prime.

It is a super-2 number, since 2×5131873385² = 52672248879342716450, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30187406 + ... + 30187575.

It is an arithmetic number, because the mean of its divisors is an integer number (815062257).

Almost surely, 2^5131873385 is an apocalyptic number.

It is an amenable number.

5131873385 is a deficient number, since it is larger than the sum of its proper divisors (1388624671).

5131873385 is a wasteful number, since it uses less digits than its factorization.

5131873385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60375003.

The product of its digits is 302400, while the sum is 44.

The square root of 5131873385 is about 71637.0950346257. The cubic root of 5131873385 is about 1724.8790376567.

The spelling of 5131873385 in words is "five billion, one hundred thirty-one million, eight hundred seventy-three thousand, three hundred eighty-five".