2172609442 has 8 divisors (see below), whose sum is σ = 3280496832. Its totient is φ = 1079110500.

The previous prime is 2172609437. The next prime is 2172609449. The reversal of 2172609442 is 2449062712.

2172609442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not an unprimeable number, because it can be changed into a prime (2172609449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3596734 + ... + 3597337.

It is an arithmetic number, because the mean of its divisors is an integer number (410062104).

Almost surely, 2^2172609442 is an apocalyptic number.

2172609442 is a deficient number, since it is larger than the sum of its proper divisors (1107887390).

2172609442 is a wasteful number, since it uses less digits than its factorization.

2172609442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7194224.

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 2172609442 is about 46611.2587472169. The cubic root of 2172609442 is about 1295.1713258022.

The spelling of 2172609442 in words is "two billion, one hundred seventy-two million, six hundred nine thousand, four hundred forty-two".