4425882421 has 2 divisors, whose sum is σ = 4425882422. Its totient is φ = 4425882420.

The previous prime is 4425882367. The next prime is 4425882481. The reversal of 4425882421 is 1242885244.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3201862225 + 1224020196 = 56585^2 + 34986^2 .

It is a cyclic number.

It is not a de Polignac number, because 4425882421 - 2¹¹ = 4425880373 is a prime.

It is a super-3 number, since 3×4425882421³ (a number of 30 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4425882481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2212941210 + 2212941211.

It is an arithmetic number, because the mean of its divisors is an integer number (2212941211).

Almost surely, 2^4425882421 is an apocalyptic number.

It is an amenable number.

4425882421 is a deficient number, since it is larger than the sum of its proper divisors (1).

4425882421 is an equidigital number, since it uses as much as digits as its factorization.

4425882421 is an evil number, because the sum of its binary digits is even.

The product of its digits is 163840, while the sum is 40.

The square root of 4425882421 is about 66527.3058300124. The cubic root of 4425882421 is about 1641.8492946675.

The spelling of 4425882421 in words is "four billion, four hundred twenty-five million, eight hundred eighty-two thousand, four hundred twenty-one".