9106640047 has 4 divisors (see below), whose sum is σ = 9126309280. Its totient is φ = 9086970816.

The previous prime is 9106640009. The next prime is 9106640057. The reversal of 9106640047 is 7400466019.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7400466019 = 27647 ⋅267677.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9106640047 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9106639988 and 9106640015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9106640057) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9833922 + ... + 9834847.

It is an arithmetic number, because the mean of its divisors is an integer number (2281577320).

Almost surely, 2^9106640047 is an apocalyptic number.

9106640047 is a deficient number, since it is larger than the sum of its proper divisors (19669233).

9106640047 is a wasteful number, since it uses less digits than its factorization.

9106640047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19669232.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 9106640047 is about 95428.7170981566. The cubic root of 9106640047 is about 2088.2671508481.

The spelling of 9106640047 in words is "nine billion, one hundred six million, six hundred forty thousand, forty-seven".