9149838723 has 6 divisors (see below), whose sum is σ = 13216433724. Its totient is φ = 6099892476.

The previous prime is 9149838703. The next prime is 9149838739. The reversal of 9149838723 is 3278389419.

9149838723 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9149838723 - 2¹² = 9149834627 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9149838723.

It is not an unprimeable number, because it can be changed into a prime (9149838703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 508324365 + ... + 508324382.

It is an arithmetic number, because the mean of its divisors is an integer number (2202738954).

Almost surely, 2^9149838723 is an apocalyptic number.

9149838723 is a deficient number, since it is larger than the sum of its proper divisors (4066595001).

9149838723 is a wasteful number, since it uses less digits than its factorization.

9149838723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1016648753 (or 1016648750 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 54.

The square root of 9149838723 is about 95654.7893364467. The cubic root of 9149838723 is about 2091.5639433822.

The spelling of 9149838723 in words is "nine billion, one hundred forty-nine million, eight hundred thirty-eight thousand, seven hundred twenty-three".