4121002443 has 4 divisors (see below), whose sum is σ = 5494669928. Its totient is φ = 2747334960.

The previous prime is 4121002429. The next prime is 4121002451. The reversal of 4121002443 is 3442001214.

4121002443 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 4121002443 - 2⁴ = 4121002427 is a prime.

It is a super-2 number, since 2×4121002443² = 33965322270423936498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4121002043) 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, 686833738 + ... + 686833743.

It is an arithmetic number, because the mean of its divisors is an integer number (1373667482).

Almost surely, 2^4121002443 is an apocalyptic number.

4121002443 is a deficient number, since it is larger than the sum of its proper divisors (1373667485).

4121002443 is a wasteful number, since it uses less digits than its factorization.

4121002443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1373667484.

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

The square root of 4121002443 is about 64195.0344107704. The cubic root of 4121002443 is about 1603.2489247718.

Adding to 4121002443 its reverse (3442001214), we get a palindrome (7563003657).

The spelling of 4121002443 in words is "four billion, one hundred twenty-one million, two thousand, four hundred forty-three".