9218946807 has 24 divisors (see below), whose sum is σ = 15445728896. Its totient is φ = 5189340816.

The previous prime is 9218946757. The next prime is 9218946823. The reversal of 9218946807 is 7086498129.

It is not a de Polignac number, because 9218946807 - 2⁷ = 9218946679 is a prime.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9218946827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1087813 + ... + 1096254.

Almost surely, 2^9218946807 is an apocalyptic number.

9218946807 is a deficient number, since it is larger than the sum of its proper divisors (6226782089).

9218946807 is a wasteful number, since it uses less digits than its factorization.

9218946807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2184147 (or 2184144 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 54.

The square root of 9218946807 is about 96015.3467264479. The cubic root of 9218946807 is about 2096.8165527546.

The spelling of 9218946807 in words is "nine billion, two hundred eighteen million, nine hundred forty-six thousand, eight hundred seven".