4421275429 has 2 divisors, whose sum is σ = 4421275430. Its totient is φ = 4421275428.

The previous prime is 4421275427. The next prime is 4421275483. The reversal of 4421275429 is 9245721244.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2680132900 + 1741142529 = 51770^2 + 41727^2 .

It is a cyclic number.

It is not a de Polignac number, because 4421275429 - 2¹ = 4421275427 is a prime.

Together with 4421275427, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 4421275391 and 4421275400.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4421275421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2210637714 + 2210637715.

It is an arithmetic number, because the mean of its divisors is an integer number (2210637715).

Almost surely, 2^4421275429 is an apocalyptic number.

It is an amenable number.

4421275429 is a deficient number, since it is larger than the sum of its proper divisors (1).

4421275429 is an equidigital number, since it uses as much as digits as its factorization.

4421275429 is an evil number, because the sum of its binary digits is even.

The product of its digits is 161280, while the sum is 40.

The square root of 4421275429 is about 66492.6719947394. The cubic root of 4421275429 is about 1641.2794186618.

The spelling of 4421275429 in words is "four billion, four hundred twenty-one million, two hundred seventy-five thousand, four hundred twenty-nine".