9409772071 has 32 divisors (see below), whose sum is σ = 11347015680. Its totient is φ = 7633180800.

The previous prime is 9409772027. The next prime is 9409772089. The reversal of 9409772071 is 1702779049.

It is not a de Polignac number, because 9409772071 - 2⁹ = 9409771559 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9409772371) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2606950 + ... + 2610556.

It is an arithmetic number, because the mean of its divisors is an integer number (354594240).

Almost surely, 2^9409772071 is an apocalyptic number.

9409772071 is a deficient number, since it is larger than the sum of its proper divisors (1937243609).

9409772071 is a wasteful number, since it uses less digits than its factorization.

9409772071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3895.

The product of its (nonzero) digits is 222264, while the sum is 46.

The square root of 9409772071 is about 97003.9796657848. The cubic root of 9409772071 is about 2111.1853713243.

The spelling of 9409772071 in words is "nine billion, four hundred nine million, seven hundred seventy-two thousand, seventy-one".