172924929429271 has 4 divisors (see below), whose sum is σ = 180443404621872. Its totient is φ = 165406454236672.

The previous prime is 172924929429233. The next prime is 172924929429277.

172924929429271 is nontrivially palindromic in base 10.

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

It is a cyclic number.

It is not a de Polignac number, because 172924929429271 - 2¹⁵ = 172924929396503 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 172924929429271.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172924929429277) 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, 3759237596266 + ... + 3759237596311.

It is an arithmetic number, because the mean of its divisors is an integer number (45110851155468).

Almost surely, 2^{172924929429271} is an apocalyptic number.

172924929429271 is a deficient number, since it is larger than the sum of its proper divisors (7518475192601).

172924929429271 is an equidigital number, since it uses as much as digits as its factorization.

172924929429271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7518475192600.

The product of its digits is 164602368, while the sum is 70.

The spelling of 172924929429271 in words is "one hundred seventy-two trillion, nine hundred twenty-four billion, nine hundred twenty-nine million, four hundred twenty-nine thousand, two hundred seventy-one".