4241000021 has 4 divisors (see below), whose sum is σ = 4331234112. Its totient is φ = 4150765932.

The previous prime is 4241000009. The next prime is 4241000039. The reversal of 4241000021 is 1200001424.

4241000021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4241000021 - 2¹⁸ = 4240737877 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4241000041) 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, 45116975 + ... + 45117068.

It is an arithmetic number, because the mean of its divisors is an integer number (1082808528).

Almost surely, 2^4241000021 is an apocalyptic number.

It is an amenable number.

4241000021 is a deficient number, since it is larger than the sum of its proper divisors (90234091).

4241000021 is an equidigital number, since it uses as much as digits as its factorization.

4241000021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90234090.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 4241000021 is about 65122.9607818932. The cubic root of 4241000021 is about 1618.6617028586.

Adding to 4241000021 its reverse (1200001424), we get a palindrome (5441001445).

The spelling of 4241000021 in words is "four billion, two hundred forty-one million, twenty-one", and thus it is an aban number.