272121450271 has 4 divisors (see below), whose sum is σ = 296859763944. Its totient is φ = 247383136600.

The previous prime is 272121450259. The next prime is 272121450281. The reversal of 272121450271 is 172054121272.

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 272121450271 - 2⁷ = 272121450143 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 (272121450281) 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, 12369156820 + ... + 12369156841.

It is an arithmetic number, because the mean of its divisors is an integer number (74214940986).

Almost surely, 2^272121450271 is an apocalyptic number.

272121450271 is a deficient number, since it is larger than the sum of its proper divisors (24738313673).

272121450271 is a wasteful number, since it uses less digits than its factorization.

272121450271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24738313672.

The product of its (nonzero) digits is 15680, while the sum is 34.

The spelling of 272121450271 in words is "two hundred seventy-two billion, one hundred twenty-one million, four hundred fifty thousand, two hundred seventy-one".