869011141 has 2 divisors, whose sum is σ = 869011142. Its totient is φ = 869011140.

The previous prime is 869011133. The next prime is 869011147. The reversal of 869011141 is 141110968.

869011141 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 860190241 + 8820900 = 29329^2 + 2970^2 .

It is a cyclic number.

It is not a de Polignac number, because 869011141 - 2³ = 869011133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (869011147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 434505570 + 434505571.

It is an arithmetic number, because the mean of its divisors is an integer number (434505571).

Almost surely, 2^869011141 is an apocalyptic number.

It is an amenable number.

869011141 is a deficient number, since it is larger than the sum of its proper divisors (1).

869011141 is an equidigital number, since it uses as much as digits as its factorization.

869011141 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 31.

The square root of 869011141 is about 29478.9949116316. The cubic root of 869011141 is about 954.2784462204.

The spelling of 869011141 in words is "eight hundred sixty-nine million, eleven thousand, one hundred forty-one".