2139368558 has 16 divisors (see below), whose sum is σ = 3258907344. Its totient is φ = 1053085440.

The previous prime is 2139368549. The next prime is 2139368597. The reversal of 2139368558 is 8558639312.

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 7 ways as a sum of consecutive naturals, for example, 283166 + ... + 290622.

It is an arithmetic number, because the mean of its divisors is an integer number (203681709).

Almost surely, 2^2139368558 is an apocalyptic number.

2139368558 is a deficient number, since it is larger than the sum of its proper divisors (1119538786).

2139368558 is a wasteful number, since it uses less digits than its factorization.

2139368558 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9667.

The product of its digits is 1555200, while the sum is 50.

The square root of 2139368558 is about 46253.3086167898. The cubic root of 2139368558 is about 1288.5319834611.

The spelling of 2139368558 in words is "two billion, one hundred thirty-nine million, three hundred sixty-eight thousand, five hundred fifty-eight".