17742282479197 has 4 divisors (see below), whose sum is σ = 17742802464160. Its totient is φ = 17741762494236.

The previous prime is 17742282479137. The next prime is 17742282479297. The reversal of 17742282479197 is 79197428224771.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 17742282479197 - 2³¹ = 17740134995549 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 (17742282479137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 259941297 + ... + 260009542.

It is an arithmetic number, because the mean of its divisors is an integer number (4435700616040).

Almost surely, 2^{17742282479197} is an apocalyptic number.

It is an amenable number.

17742282479197 is a deficient number, since it is larger than the sum of its proper divisors (519984963).

17742282479197 is an equidigital number, since it uses as much as digits as its factorization.

17742282479197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 519984962.

The product of its digits is 199148544, while the sum is 70.

The spelling of 17742282479197 in words is "seventeen trillion, seven hundred forty-two billion, two hundred eighty-two million, four hundred seventy-nine thousand, one hundred ninety-seven".