10168911289 has 4 divisors (see below), whose sum is σ = 10273745524. Its totient is φ = 10064077056.

The previous prime is 10168911253. The next prime is 10168911349. The reversal of 10168911289 is 98211986101.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3231354025 + 6937557264 = 56845^2 + 83292^2 .

It is a cyclic number.

It is not a de Polignac number, because 10168911289 - 2⁹ = 10168910777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10168911229) 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, 52416972 + ... + 52417165.

It is an arithmetic number, because the mean of its divisors is an integer number (2568436381).

Almost surely, 2^10168911289 is an apocalyptic number.

It is an amenable number.

10168911289 is a deficient number, since it is larger than the sum of its proper divisors (104834235).

10168911289 is an equidigital number, since it uses as much as digits as its factorization.

10168911289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104834234.

The product of its (nonzero) digits is 62208, while the sum is 46.

The spelling of 10168911289 in words is "ten billion, one hundred sixty-eight million, nine hundred eleven thousand, two hundred eighty-nine".