9431040897 has 16 divisors (see below), whose sum is σ = 13992396480. Its totient is φ = 6278142816.

The previous prime is 9431040859. The next prime is 9431040947. The reversal of 9431040897 is 7980401349.

It is not a de Polignac number, because 9431040897 - 2¹⁴ = 9431024513 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (9431040197) 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 15 ways as a sum of consecutive naturals, for example, 237268 + ... + 274149.

It is an arithmetic number, because the mean of its divisors is an integer number (874524780).

Almost surely, 2^9431040897 is an apocalyptic number.

It is an amenable number.

9431040897 is a deficient number, since it is larger than the sum of its proper divisors (4561355583).

9431040897 is a wasteful number, since it uses less digits than its factorization.

9431040897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 512109 (or 512103 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 9431040897 is about 97113.5464134639. The cubic root of 9431040897 is about 2112.7748057100.

The spelling of 9431040897 in words is "nine billion, four hundred thirty-one million, forty thousand, eight hundred ninety-seven".