13803587242 has 16 divisors (see below), whose sum is σ = 20748956040. Its totient is φ = 6887282688.

The previous prime is 13803587197. The next prime is 13803587249. The reversal of 13803587242 is 24278530831.

It can be written as a sum of positive squares in 4 ways, for example, as 11972517561 + 1831069681 = 109419^2 + 42791^2 .

It is not an unprimeable number, because it can be changed into a prime (13803587249) 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, 4289218 + ... + 4292434.

Almost surely, 2^13803587242 is an apocalyptic number.

13803587242 is a deficient number, since it is larger than the sum of its proper divisors (6945368798).

13803587242 is a wasteful number, since it uses less digits than its factorization.

13803587242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7065.

The product of its (nonzero) digits is 322560, while the sum is 43.

The spelling of 13803587242 in words is "thirteen billion, eight hundred three million, five hundred eighty-seven thousand, two hundred forty-two".