9399457291 has 12 divisors (see below), whose sum is σ = 11166704928. Its totient is φ = 7885257072.

The previous prime is 9399457273. The next prime is 9399457307. The reversal of 9399457291 is 1927549939.

9399457291 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9399457291 - 2⁹ = 9399456779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9399457201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2038396 + ... + 2043001.

It is an arithmetic number, because the mean of its divisors is an integer number (930558744).

Almost surely, 2^9399457291 is an apocalyptic number.

9399457291 is a deficient number, since it is larger than the sum of its proper divisors (1767247637).

9399457291 is a wasteful number, since it uses less digits than its factorization.

9399457291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4081458 (or 4081451 counting only the distinct ones).

The product of its digits is 5511240, while the sum is 58.

The square root of 9399457291 is about 96950.7982999624. The cubic root of 9399457291 is about 2110.4136780156.

The spelling of 9399457291 in words is "nine billion, three hundred ninety-nine million, four hundred fifty-seven thousand, two hundred ninety-one".