4429813 has 2 divisors, whose sum is σ = 4429814. Its totient is φ = 4429812.

The previous prime is 4429811. The next prime is 4429819. The reversal of 4429813 is 3189244.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3908529 + 521284 = 1977^2 + 722^2 .

It is a cyclic number.

It is not a de Polignac number, because 4429813 - 2¹ = 4429811 is a prime.

Together with 4429811, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4429811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2214906 + 2214907.

It is an arithmetic number, because the mean of its divisors is an integer number (2214907).

Almost surely, 2^4429813 is an apocalyptic number.

It is an amenable number.

4429813 is a deficient number, since it is larger than the sum of its proper divisors (1).

4429813 is an equidigital number, since it uses as much as digits as its factorization.

4429813 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6912, while the sum is 31.

The square root of 4429813 is about 2104.7120943255. The cubic root of 4429813 is about 164.2335187143.

The spelling of 4429813 in words is "four million, four hundred twenty-nine thousand, eight hundred thirteen".