10089686891 has 2 divisors, whose sum is σ = 10089686892. Its totient is φ = 10089686890.

The previous prime is 10089686863. The next prime is 10089686909. The reversal of 10089686891 is 19868698001.

10089686891 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10089686891 is a prime.

It is not a weakly prime, because it can be changed into another prime (10089686861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5044843445 + 5044843446.

It is an arithmetic number, because the mean of its divisors is an integer number (5044843446).

Almost surely, 2^10089686891 is an apocalyptic number.

10089686891 is a deficient number, since it is larger than the sum of its proper divisors (1).

10089686891 is an equidigital number, since it uses as much as digits as its factorization.

10089686891 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1492992, while the sum is 56.

The spelling of 10089686891 in words is "ten billion, eighty-nine million, six hundred eighty-six thousand, eight hundred ninety-one".