2143014421 has 8 divisors (see below), whose sum is σ = 2224141920. Its totient is φ = 2062369008.

The previous prime is 2143014347. The next prime is 2143014437. The reversal of 2143014421 is 1244103412.

It is a happy number.

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 2143014421 - 2¹⁵ = 2142981653 is a prime.

It is a super-2 number, since 2×2143014421² = 9185021617227930482, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2143014392 and 2143014401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2143014821) 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, 111451 + ... + 129256.

It is an arithmetic number, because the mean of its divisors is an integer number (278017740).

Almost surely, 2^2143014421 is an apocalyptic number.

It is an amenable number.

2143014421 is a deficient number, since it is larger than the sum of its proper divisors (81127499).

2143014421 is a wasteful number, since it uses less digits than its factorization.

2143014421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241043.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 2143014421 is about 46292.7037555596. The cubic root of 2143014421 is about 1289.2635303086.

Adding to 2143014421 its reverse (1244103412), we get a palindrome (3387117833).

The spelling of 2143014421 in words is "two billion, one hundred forty-three million, fourteen thousand, four hundred twenty-one".