2043041421 has 8 divisors (see below), whose sum is σ = 2724849504. Its totient is φ = 1361630480.

The previous prime is 2043041417. The next prime is 2043041423. The reversal of 2043041421 is 1241403402.

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 2043041421 - 2² = 2043041417 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2043041423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87066 + ... + 108011.

It is an arithmetic number, because the mean of its divisors is an integer number (340606188).

Almost surely, 2^2043041421 is an apocalyptic number.

It is an amenable number.

2043041421 is a deficient number, since it is larger than the sum of its proper divisors (681808083).

2043041421 is a wasteful number, since it uses less digits than its factorization.

2043041421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198571.

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

The square root of 2043041421 is about 45200.0157190238. The cubic root of 2043041421 is about 1268.8951104995.

Adding to 2043041421 its reverse (1241403402), we get a palindrome (3284444823).

The spelling of 2043041421 in words is "two billion, forty-three million, forty-one thousand, four hundred twenty-one".