4172522773361 has 4 divisors (see below), whose sum is σ = 4172540564724. Its totient is φ = 4172504982000.

The previous prime is 4172522773337. The next prime is 4172522773381. The reversal of 4172522773361 is 1633772252714.

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 3334162788961 + 838359984400 = 1825969^2 + 915620^2 .

It is a cyclic number.

It is not a de Polignac number, because 4172522773361 - 2²⁶ = 4172455664497 is a prime.

It is a super-3 number, since 3×4172522773361³ (a number of 39 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4172522773381) 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, 8539130 + ... + 9014531.

It is an arithmetic number, because the mean of its divisors is an integer number (1043135141181).

Almost surely, 2^{4172522773361} is an apocalyptic number.

It is an amenable number.

4172522773361 is a deficient number, since it is larger than the sum of its proper divisors (17791363).

4172522773361 is a wasteful number, since it uses less digits than its factorization.

4172522773361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17791362.

The product of its digits is 2963520, while the sum is 50.

The spelling of 4172522773361 in words is "four trillion, one hundred seventy-two billion, five hundred twenty-two million, seven hundred seventy-three thousand, three hundred sixty-one".