2172143407 has 8 divisors (see below), whose sum is σ = 2508042656. Its totient is φ = 1842642432.

The previous prime is 2172143401. The next prime is 2172143443. The reversal of 2172143407 is 7043412712.

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

It is a cyclic number.

It is not a de Polignac number, because 2172143407 - 2¹¹ = 2172141359 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2172143401) 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, 1598838 + ... + 1600195.

It is an arithmetic number, because the mean of its divisors is an integer number (313505332).

Almost surely, 2^2172143407 is an apocalyptic number.

2172143407 is a deficient number, since it is larger than the sum of its proper divisors (335899249).

2172143407 is an equidigital number, since it uses as much as digits as its factorization.

2172143407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3199137.

The product of its (nonzero) digits is 9408, while the sum is 31.

The square root of 2172143407 is about 46606.2593113843. The cubic root of 2172143407 is about 1295.0787123884.

The spelling of 2172143407 in words is "two billion, one hundred seventy-two million, one hundred forty-three thousand, four hundred seven".