2143442001 has 8 divisors (see below), whose sum is σ = 2873713024. Its totient is φ = 1421066160.

The previous prime is 2143441999. The next prime is 2143442039. The reversal of 2143442001 is 1002443412.

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

It is not a de Polignac number, because 2143442001 - 2¹ = 2143441999 is a prime.

It is a super-2 number, since 2×2143442001² = 9188687223301768002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2143440001) 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, 1973161 + ... + 1974246.

It is an arithmetic number, because the mean of its divisors is an integer number (359214128).

Almost surely, 2^2143442001 is an apocalyptic number.

It is an amenable number.

2143442001 is a deficient number, since it is larger than the sum of its proper divisors (730271023).

2143442001 is a wasteful number, since it uses less digits than its factorization.

2143442001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3947591.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 2143442001 is about 46297.3217475914. The cubic root of 2143442001 is about 1289.3492703819.

Adding to 2143442001 its reverse (1002443412), we get a palindrome (3145885413).

The spelling of 2143442001 in words is "two billion, one hundred forty-three million, four hundred forty-two thousand, one".