2172346513 has 8 divisors (see below), whose sum is σ = 2421191520. Its totient is φ = 1936952640.

The previous prime is 2172346511. The next prime is 2172346531. The reversal of 2172346513 is 3156432712.

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 2172346513 - 2¹ = 2172346511 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2172346511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3362443 + ... + 3363088.

It is an arithmetic number, because the mean of its divisors is an integer number (302648940).

Almost surely, 2^2172346513 is an apocalyptic number.

It is an amenable number.

2172346513 is a deficient number, since it is larger than the sum of its proper divisors (248845007).

2172346513 is a wasteful number, since it uses less digits than its factorization.

2172346513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6725567.

The product of its digits is 30240, while the sum is 34.

The square root of 2172346513 is about 46608.4382167006. The cubic root of 2172346513 is about 1295.1190765218.

The spelling of 2172346513 in words is "two billion, one hundred seventy-two million, three hundred forty-six thousand, five hundred thirteen".