2159472443 has 8 divisors (see below), whose sum is σ = 2242188480. Its totient is φ = 2077306560.

The previous prime is 2159472421. The next prime is 2159472457. The reversal of 2159472443 is 3442749512.

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 2159472443 - 2⁸ = 2159472187 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2159472443.

It is not an unprimeable number, because it can be changed into a prime (2159472463) 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, 129530 + ... + 145247.

It is an arithmetic number, because the mean of its divisors is an integer number (280273560).

Almost surely, 2^2159472443 is an apocalyptic number.

2159472443 is a deficient number, since it is larger than the sum of its proper divisors (82716037).

2159472443 is a wasteful number, since it uses less digits than its factorization.

2159472443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275077.

The product of its digits is 241920, while the sum is 41.

The square root of 2159472443 is about 46470.1241982416. The cubic root of 2159472443 is about 1292.5555659036. Note that the first 4 decimals are identical.

The spelling of 2159472443 in words is "two billion, one hundred fifty-nine million, four hundred seventy-two thousand, four hundred forty-three".