5538351686 has 64 divisors (see below), whose sum is σ = 10352209920. Its totient is φ = 2168570880.

The previous prime is 5538351683. The next prime is 5538351701. The reversal of 5538351686 is 6861538355.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5538351683) 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, 2777906 + ... + 2779898.

It is an arithmetic number, because the mean of its divisors is an integer number (161753280).

Almost surely, 2^5538351686 is an apocalyptic number.

5538351686 is a deficient number, since it is larger than the sum of its proper divisors (4813858234).

5538351686 is a wasteful number, since it uses less digits than its factorization.

5538351686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2389.

The product of its digits is 2592000, while the sum is 50.

The square root of 5538351686 is about 74420.1027008160. The cubic root of 5538351686 is about 1769.2675410002.

The spelling of 5538351686 in words is "five billion, five hundred thirty-eight million, three hundred fifty-one thousand, six hundred eighty-six".