2173375238691 has 8 divisors (see below), whose sum is σ = 2898114463504. Its totient is φ = 1448776419840.

The previous prime is 2173375238633. The next prime is 2173375238693. The reversal of 2173375238691 is 1968325733712.

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

It is not a de Polignac number, because 2173375238691 - 2⁶ = 2173375238627 is a prime.

It is a super-2 number, since 2×2173375238691² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2173375238693) 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, 35065366 + ... + 35127291.

It is an arithmetic number, because the mean of its divisors is an integer number (362264307938).

Almost surely, 2^{2173375238691} is an apocalyptic number.

2173375238691 is a deficient number, since it is larger than the sum of its proper divisors (724739224813).

2173375238691 is a wasteful number, since it uses less digits than its factorization.

2173375238691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70202981.

The product of its digits is 11430720, while the sum is 57.

The spelling of 2173375238691 in words is "two trillion, one hundred seventy-three billion, three hundred seventy-five million, two hundred thirty-eight thousand, six hundred ninety-one".