4335446421 has 12 divisors (see below), whose sum is σ = 6348097548. Its totient is φ = 2850704064.

The previous prime is 4335446417. The next prime is 4335446443. The reversal of 4335446421 is 1246445334.

4335446421 is a `hidden beast` number, since 4 + 3 + 3 + 5 + 4 + 4 + 642 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2027700900 + 2307745521 = 45030^2 + 48039^2 .

It is not a de Polignac number, because 4335446421 - 2² = 4335446417 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4335446461) 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, 3298770 + ... + 3300083.

It is an arithmetic number, because the mean of its divisors is an integer number (529008129).

Almost surely, 2^4335446421 is an apocalyptic number.

It is an amenable number.

4335446421 is a deficient number, since it is larger than the sum of its proper divisors (2012651127).

4335446421 is a wasteful number, since it uses less digits than its factorization.

4335446421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6598932 (or 6598929 counting only the distinct ones).

The product of its digits is 138240, while the sum is 36.

The square root of 4335446421 is about 65844.1069572669. The cubic root of 4335446421 is about 1630.5893738564.

The spelling of 4335446421 in words is "four billion, three hundred thirty-five million, four hundred forty-six thousand, four hundred twenty-one".