171325341949 has 4 divisors (see below), whose sum is σ = 171326273536. Its totient is φ = 171324410364.

The previous prime is 171325341931. The next prime is 171325341961. The reversal of 171325341949 is 949143523171.

It is a happy number.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 171325341949 - 2¹¹ = 171325339901 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 (171325341149) 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, 87549 + ... + 591874.

It is an arithmetic number, because the mean of its divisors is an integer number (42831568384).

Almost surely, 2^171325341949 is an apocalyptic number.

It is an amenable number.

171325341949 is a deficient number, since it is larger than the sum of its proper divisors (931587).

171325341949 is an equidigital number, since it uses as much as digits as its factorization.

171325341949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 931586.

The product of its digits is 816480, while the sum is 49.

The spelling of 171325341949 in words is "one hundred seventy-one billion, three hundred twenty-five million, three hundred forty-one thousand, nine hundred forty-nine".