9134782639 has 4 divisors (see below), whose sum is σ = 9135248056. Its totient is φ = 9134317224.

The previous prime is 9134782637. The next prime is 9134782663. The reversal of 9134782639 is 9362874319.

9134782639 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 9134782639 - 2¹ = 9134782637 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 (9134782637) 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 3 ways as a sum of consecutive naturals, for example, 201909 + ... + 242974.

It is an arithmetic number, because the mean of its divisors is an integer number (2283812014).

Almost surely, 2^9134782639 is an apocalyptic number.

9134782639 is a deficient number, since it is larger than the sum of its proper divisors (465417).

9134782639 is a wasteful number, since it uses less digits than its factorization.

9134782639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 465416.

The product of its digits is 1959552, while the sum is 52.

The square root of 9134782639 is about 95576.0568291034. The cubic root of 9134782639 is about 2090.4160888718.

The spelling of 9134782639 in words is "nine billion, one hundred thirty-four million, seven hundred eighty-two thousand, six hundred thirty-nine".