2173692705121 has 8 divisors (see below), whose sum is σ = 2484286884224. Its totient is φ = 1863115188480.

The previous prime is 2173692705097. The next prime is 2173692705169. The reversal of 2173692705121 is 1215072963712.

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

It is not a de Polignac number, because 2173692705121 - 2⁹ = 2173692704609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2173692705181) 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, 3884805 + ... + 4408978.

It is an arithmetic number, because the mean of its divisors is an integer number (310535860528).

Almost surely, 2^{2173692705121} is an apocalyptic number.

It is an amenable number.

2173692705121 is a deficient number, since it is larger than the sum of its proper divisors (310594179103).

2173692705121 is an equidigital number, since it uses as much as digits as its factorization.

2173692705121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8331231.

The product of its (nonzero) digits is 317520, while the sum is 46.

The spelling of 2173692705121 in words is "two trillion, one hundred seventy-three billion, six hundred ninety-two million, seven hundred five thousand, one hundred twenty-one".