9491934309 has 64 divisors (see below), whose sum is σ = 15780199680. Its totient is φ = 4986040320.

The previous prime is 9491934289. The next prime is 9491934311. The reversal of 9491934309 is 9034391949.

9491934309 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 9491934309 - 2⁷ = 9491934181 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9491934359) 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 63 ways as a sum of consecutive naturals, for example, 3710859 + ... + 3713415.

It is an arithmetic number, because the mean of its divisors is an integer number (246565620).

Almost surely, 2^9491934309 is an apocalyptic number.

It is an amenable number.

9491934309 is a deficient number, since it is larger than the sum of its proper divisors (6288265371).

9491934309 is a wasteful number, since it uses less digits than its factorization.

9491934309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3110.

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

The square root of 9491934309 is about 97426.5585402666. The cubic root of 9491934309 is about 2117.3122391870.

The spelling of 9491934309 in words is "nine billion, four hundred ninety-one million, nine hundred thirty-four thousand, three hundred nine".