172447342241 has 4 divisors (see below), whose sum is σ = 173313912000. Its totient is φ = 171580772484.

The previous prime is 172447342211. The next prime is 172447342247. The reversal of 172447342241 is 142243744271.

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 172447342241 - 2¹⁰ = 172447341217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (172447342247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 433284581 + ... + 433284978.

It is an arithmetic number, because the mean of its divisors is an integer number (43328478000).

Almost surely, 2^172447342241 is an apocalyptic number.

It is an amenable number.

172447342241 is a deficient number, since it is larger than the sum of its proper divisors (866569759).

172447342241 is an equidigital number, since it uses as much as digits as its factorization.

172447342241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 866569758.

The product of its digits is 301056, while the sum is 41.

The spelling of 172447342241 in words is "one hundred seventy-two billion, four hundred forty-seven million, three hundred forty-two thousand, two hundred forty-one".