172249769341 has 8 divisors (see below), whose sum is σ = 196411501944. Its totient is φ = 149646858240.

The previous prime is 172249769339. The next prime is 172249769357. The reversal of 172249769341 is 143967942271.

It can be written as a sum of positive squares in 4 ways, for example, as 8455538116 + 163794231225 = 91954^2 + 404715^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 172249769341 - 2¹ = 172249769339 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 (172249760341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 389705140 + ... + 389705581.

It is an arithmetic number, because the mean of its divisors is an integer number (24551437743).

Almost surely, 2^172249769341 is an apocalyptic number.

It is an amenable number.

172249769341 is a deficient number, since it is larger than the sum of its proper divisors (24161732603).

172249769341 is a wasteful number, since it uses less digits than its factorization.

172249769341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 779410751.

The product of its digits is 4572288, while the sum is 55.

The spelling of 172249769341 in words is "one hundred seventy-two billion, two hundred forty-nine million, seven hundred sixty-nine thousand, three hundred forty-one".