5385849685 has 32 divisors (see below), whose sum is σ = 6776114400. Its totient is φ = 4105728000.

The previous prime is 5385849683. The next prime is 5385849691. The reversal of 5385849685 is 5869485835.

It is a happy number.

It can be written as a sum of positive squares in 16 ways, for example, as 416445649 + 4969404036 = 20407^2 + 70494^2 .

It is not a de Polignac number, because 5385849685 - 2¹ = 5385849683 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5385849683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1793185 + ... + 1796185.

It is an arithmetic number, because the mean of its divisors is an integer number (211753575).

Almost surely, 2^5385849685 is an apocalyptic number.

It is an amenable number.

5385849685 is a deficient number, since it is larger than the sum of its proper divisors (1390264715).

5385849685 is a wasteful number, since it uses less digits than its factorization.

5385849685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3241.

The product of its digits is 41472000, while the sum is 61.

The square root of 5385849685 is about 73388.3484280713. The cubic root of 5385849685 is about 1752.8768664270.

The spelling of 5385849685 in words is "five billion, three hundred eighty-five million, eight hundred forty-nine thousand, six hundred eighty-five".