17442749041 has 3 divisors (see below), whose sum is σ = 17442881113. Its totient is φ = 17442616970.

The previous prime is 17442749021. The next prime is 17442749053. The reversal of 17442749041 is 14094724471.

The square root of 17442749041 is 132071.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 14094724471 = 673 ⋅20943127.

It is not a de Polignac number, because 17442749041 - 2⁷ = 17442748913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (17442749011) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 66036 + ... + 198106.

Almost surely, 2^17442749041 is an apocalyptic number.

17442749041 is the 132071-st square number.

17442749041 is the 66036-th centered octagonal number.

It is an amenable number.

17442749041 is a deficient number, since it is larger than the sum of its proper divisors (132072).

17442749041 is an frugal number, since it uses more digits than its factorization.

17442749041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264142 (or 132071 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 43.

The spelling of 17442749041 in words is "seventeen billion, four hundred forty-two million, seven hundred forty-nine thousand, forty-one".