13692442109 has 8 divisors (see below), whose sum is σ = 13839136248. Its totient is φ = 13545861120.

The previous prime is 13692442081. The next prime is 13692442147. The reversal of 13692442109 is 90124429631.

It can be written as a sum of positive squares in 4 ways, for example, as 2201674084 + 11490768025 = 46922^2 + 107195^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13692442109 - 2¹⁶ = 13692376573 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13692442009) 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, 227309 + ... + 281165.

It is an arithmetic number, because the mean of its divisors is an integer number (1729892031).

Almost surely, 2^13692442109 is an apocalyptic number.

It is an amenable number.

13692442109 is a deficient number, since it is larger than the sum of its proper divisors (146694139).

13692442109 is an equidigital number, since it uses as much as digits as its factorization.

13692442109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56575.

The product of its (nonzero) digits is 93312, while the sum is 41.

The spelling of 13692442109 in words is "thirteen billion, six hundred ninety-two million, four hundred forty-two thousand, one hundred nine".