9291404945 has 8 divisors (see below), whose sum is σ = 11257935936. Its totient is φ = 7360957296.

The previous prime is 9291404897. The next prime is 9291404951. The reversal of 9291404945 is 5494041929.

9291404945 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9291404945 - 2¹² = 9291400849 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 9291404945.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 9020267 + ... + 9021296.

It is an arithmetic number, because the mean of its divisors is an integer number (1407241992).

Almost surely, 2^9291404945 is an apocalyptic number.

It is an amenable number.

9291404945 is a deficient number, since it is larger than the sum of its proper divisors (1966530991).

9291404945 is a wasteful number, since it uses less digits than its factorization.

9291404945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18041671.

The product of its (nonzero) digits is 466560, while the sum is 47.

The square root of 9291404945 is about 96391.9340245853. The cubic root of 9291404945 is about 2102.2956712947.

The spelling of 9291404945 in words is "nine billion, two hundred ninety-one million, four hundred four thousand, nine hundred forty-five".