17374742222749 has 4 divisors (see below), whose sum is σ = 17374764864060. Its totient is φ = 17374719581440.

The previous prime is 17374742222647. The next prime is 17374742222779. The reversal of 17374742222749 is 94722224747371.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 335596600249 + 17039145622500 = 579307^2 + 4127850^2 .

It is a cyclic number.

It is not a de Polignac number, because 17374742222749 - 2⁹ = 17374742222237 is a prime.

It is a super-2 number, since 2×17374742222749² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (17374742222779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10127662 + ... + 11718319.

It is an arithmetic number, because the mean of its divisors is an integer number (4343691216015).

Almost surely, 2^{17374742222749} is an apocalyptic number.

It is an amenable number.

17374742222749 is a deficient number, since it is larger than the sum of its proper divisors (22641311).

17374742222749 is an equidigital number, since it uses as much as digits as its factorization.

17374742222749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22641310.

The product of its digits is 66382848, while the sum is 61.

The spelling of 17374742222749 in words is "seventeen trillion, three hundred seventy-four billion, seven hundred forty-two million, two hundred twenty-two thousand, seven hundred forty-nine".