9129493239 has 16 divisors (see below), whose sum is σ = 12559830528. Its totient is φ = 5895412992.

The previous prime is 9129493229. The next prime is 9129493259. The reversal of 9129493239 is 9323949219.

It is a happy number.

It is not a de Polignac number, because 9129493239 - 2¹⁵ = 9129460471 is a prime.

It is a super-3 number, since 3×9129493239³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 9129493191 and 9129493200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9129493229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 320077 + ... + 347430.

It is an arithmetic number, because the mean of its divisors is an integer number (784989408).

Almost surely, 2^9129493239 is an apocalyptic number.

9129493239 is a deficient number, since it is larger than the sum of its proper divisors (3430337289).

9129493239 is a wasteful number, since it uses less digits than its factorization.

9129493239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 667654.

The product of its digits is 944784, while the sum is 51.

The square root of 9129493239 is about 95548.3816660439. The cubic root of 9129493239 is about 2090.0125331391.

The spelling of 9129493239 in words is "nine billion, one hundred twenty-nine million, four hundred ninety-three thousand, two hundred thirty-nine".