2173373971 has 16 divisors (see below), whose sum is σ = 2234808576. Its totient is φ = 2113020000.

The previous prime is 2173373963. The next prime is 2173373981. The reversal of 2173373971 is 1793733712.

It is a cyclic number.

It is not a de Polignac number, because 2173373971 - 2³ = 2173373963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2173373981) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1682836 + ... + 1684126.

It is an arithmetic number, because the mean of its divisors is an integer number (139675536).

Almost surely, 2^2173373971 is an apocalyptic number.

2173373971 is a deficient number, since it is larger than the sum of its proper divisors (61434605).

2173373971 is a wasteful number, since it uses less digits than its factorization.

2173373971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1674.

The product of its digits is 166698, while the sum is 43.

The square root of 2173373971 is about 46619.4591452968. The cubic root of 2173373971 is about 1295.3232291454.

The spelling of 2173373971 in words is "two billion, one hundred seventy-three million, three hundred seventy-three thousand, nine hundred seventy-one".