13665937242 has 16 divisors (see below), whose sum is σ = 27967500000. Its totient is φ = 4449374832.

The previous prime is 13665937223. The next prime is 13665937249. The reversal of 13665937242 is 24273956631.

It is a junction number, because it is equal to n+sod(n) for n = 13665937191 and 13665937200.

It is not an unprimeable number, because it can be changed into a prime (13665937249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26484117 + ... + 26484632.

It is an arithmetic number, because the mean of its divisors is an integer number (1747968750).

Almost surely, 2^13665937242 is an apocalyptic number.

13665937242 is an abundant number, since it is smaller than the sum of its proper divisors (14301562758).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13665937242 is a wasteful number, since it uses less digits than its factorization.

13665937242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52968797.

The product of its digits is 1632960, while the sum is 48.

The spelling of 13665937242 in words is "thirteen billion, six hundred sixty-five million, nine hundred thirty-seven thousand, two hundred forty-two".