4344302421 has 12 divisors (see below), whose sum is σ = 6304846080. Its totient is φ = 2882474280.

The previous prime is 4344302411. The next prime is 4344302441. The reversal of 4344302421 is 1242034434.

It is a happy number.

It is not a de Polignac number, because 4344302421 - 2¹⁵ = 4344269653 is a prime.

It is a super-2 number, since 2×4344302421² = 37745927050212922482, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4344302401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1141941 + ... + 1145738.

It is an arithmetic number, because the mean of its divisors is an integer number (525403840).

Almost surely, 2^4344302421 is an apocalyptic number.

It is an amenable number.

4344302421 is a deficient number, since it is larger than the sum of its proper divisors (1960543659).

4344302421 is a wasteful number, since it uses less digits than its factorization.

4344302421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2287896 (or 2287893 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

The square root of 4344302421 is about 65911.3224036660. The cubic root of 4344302421 is about 1631.6988849824.

Adding to 4344302421 its reverse (1242034434), we get a palindrome (5586336855).

The spelling of 4344302421 in words is "four billion, three hundred forty-four million, three hundred two thousand, four hundred twenty-one".