2172744635 has 8 divisors (see below), whose sum is σ = 2667928560. Its totient is φ = 1697772384.

The previous prime is 2172744617. The next prime is 2172744643. The reversal of 2172744635 is 5364472712.

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 2172744635 - 2⁶ = 2172744571 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2172744592 and 2172744601.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5052680 + ... + 5053109.

It is an arithmetic number, because the mean of its divisors is an integer number (333491070).

Almost surely, 2^2172744635 is an apocalyptic number.

2172744635 is a deficient number, since it is larger than the sum of its proper divisors (495183925).

2172744635 is a wasteful number, since it uses less digits than its factorization.

2172744635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10105837.

The product of its digits is 282240, while the sum is 41.

The square root of 2172744635 is about 46612.7089429482. The cubic root of 2172744635 is about 1295.1981897294.

The spelling of 2172744635 in words is "two billion, one hundred seventy-two million, seven hundred forty-four thousand, six hundred thirty-five".