2143579153 has 8 divisors (see below), whose sum is σ = 2155830248. Its totient is φ = 2131363584.

The previous prime is 2143579121. The next prime is 2143579159. The reversal of 2143579153 is 3519753412.

It can be written as a sum of positive squares in 4 ways, for example, as 108847489 + 2034731664 = 10433^2 + 45108^2 .

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 2143579153 - 2⁵ = 2143579121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2143579159) 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, 117175 + ... + 134227.

It is an arithmetic number, because the mean of its divisors is an integer number (269478781).

Almost surely, 2^2143579153 is an apocalyptic number.

It is an amenable number.

2143579153 is a deficient number, since it is larger than the sum of its proper divisors (12251095).

2143579153 is a wasteful number, since it uses less digits than its factorization.

2143579153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17763.

The product of its digits is 113400, while the sum is 40.

The square root of 2143579153 is about 46298.8029326893. The cubic root of 2143579153 is about 1289.3767702411.

The spelling of 2143579153 in words is "two billion, one hundred forty-three million, five hundred seventy-nine thousand, one hundred fifty-three".