9081668243 has 16 divisors (see below), whose sum is σ = 10223309376. Its totient is φ = 8021544960.

The previous prime is 9081668237. The next prime is 9081668263. The reversal of 9081668243 is 3428661809.

It is a cyclic number.

It is not a de Polignac number, because 9081668243 - 2⁶ = 9081668179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9081668263) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 198398 + ... + 239843.

It is an arithmetic number, because the mean of its divisors is an integer number (638956836).

Almost surely, 2^9081668243 is an apocalyptic number.

9081668243 is a deficient number, since it is larger than the sum of its proper divisors (1141641133).

9081668243 is a wasteful number, since it uses less digits than its factorization.

9081668243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438334.

The product of its (nonzero) digits is 497664, while the sum is 47.

The square root of 9081668243 is about 95297.7871883707. The cubic root of 9081668243 is about 2086.3566205017.

The spelling of 9081668243 in words is "nine billion, eighty-one million, six hundred sixty-eight thousand, two hundred forty-three".