9389474429 has 4 divisors (see below), whose sum is σ = 9398066076. Its totient is φ = 9380882784.

The previous prime is 9389474399. The next prime is 9389474431. The reversal of 9389474429 is 9244749839.

9389474429 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 4148004025 + 5241470404 = 64405^2 + 72398^2 .

It is a cyclic number.

It is not a de Polignac number, because 9389474429 - 2⁸ = 9389474173 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 (9389474489) 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, 4294184 + ... + 4296369.

It is an arithmetic number, because the mean of its divisors is an integer number (2349516519).

Almost surely, 2^9389474429 is an apocalyptic number.

It is an amenable number.

9389474429 is a deficient number, since it is larger than the sum of its proper divisors (8591647).

9389474429 is a wasteful number, since it uses less digits than its factorization.

9389474429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8591646.

The product of its digits is 15676416, while the sum is 59.

The square root of 9389474429 is about 96899.3004567112. The cubic root of 9389474429 is about 2109.6662791392. Note that the first 3 decimals are identical.

The spelling of 9389474429 in words is "nine billion, three hundred eighty-nine million, four hundred seventy-four thousand, four hundred twenty-nine".