4385490229 has 4 divisors (see below), whose sum is σ = 4536714060. Its totient is φ = 4234266400.

The previous prime is 4385490227. The next prime is 4385490251. The reversal of 4385490229 is 9220945834.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1608411025 + 2777079204 = 40105^2 + 52698^2 .

It is a cyclic number.

It is not a de Polignac number, because 4385490229 - 2¹ = 4385490227 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4385490223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75611872 + ... + 75611929.

It is an arithmetic number, because the mean of its divisors is an integer number (1134178515).

Almost surely, 2^4385490229 is an apocalyptic number.

It is an amenable number.

4385490229 is a deficient number, since it is larger than the sum of its proper divisors (151223831).

4385490229 is a wasteful number, since it uses less digits than its factorization.

4385490229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151223830.

The product of its (nonzero) digits is 622080, while the sum is 46.

The square root of 4385490229 is about 66223.0339761023. The cubic root of 4385490229 is about 1636.8393206296.

The spelling of 4385490229 in words is "four billion, three hundred eighty-five million, four hundred ninety thousand, two hundred twenty-nine".