2172272371417 has 4 divisors (see below), whose sum is σ = 2174028453796. Its totient is φ = 2170516289040.

The previous prime is 2172272371411. The next prime is 2172272371453. The reversal of 2172272371417 is 7141732722712.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1563647710681 + 608624660736 = 1250459^2 + 780144^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2172272371417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2172272371411) 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, 878039334 + ... + 878041807.

It is an arithmetic number, because the mean of its divisors is an integer number (543507113449).

Almost surely, 2^{2172272371417} is an apocalyptic number.

It is an amenable number.

2172272371417 is a deficient number, since it is larger than the sum of its proper divisors (1756082379).

2172272371417 is a wasteful number, since it uses less digits than its factorization.

2172272371417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1756082378.

The product of its digits is 460992, while the sum is 46.

The spelling of 2172272371417 in words is "two trillion, one hundred seventy-two billion, two hundred seventy-two million, three hundred seventy-one thousand, four hundred seventeen".