5185834775381 has 8 divisors (see below), whose sum is σ = 5591481879480. Its totient is φ = 4781150062272.

The previous prime is 5185834775377. The next prime is 5185834775389. The reversal of 5185834775381 is 1835774385815.

It can be written as a sum of positive squares in 4 ways, for example, as 224234449156 + 4961600326225 = 473534^2 + 2227465^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 5185834775381 - 2² = 5185834775377 is a prime.

It is a super-2 number, since 2×5185834775381² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5185834775389) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 240586550 + ... + 240608103.

It is an arithmetic number, because the mean of its divisors is an integer number (698935234935).

Almost surely, 2^{5185834775381} is an apocalyptic number.

It is an amenable number.

5185834775381 is a deficient number, since it is larger than the sum of its proper divisors (405647104099).

5185834775381 is a wasteful number, since it uses less digits than its factorization.

5185834775381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 481195495.

The product of its digits is 112896000, while the sum is 65.

The spelling of 5185834775381 in words is "five trillion, one hundred eighty-five billion, eight hundred thirty-four million, seven hundred seventy-five thousand, three hundred eighty-one".