869011043 has 2 divisors, whose sum is σ = 869011044. Its totient is φ = 869011042.

The previous prime is 869011027. The next prime is 869011057. The reversal of 869011043 is 340110968.

It is a happy number.

869011043 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 is a cyclic number.

It is not a de Polignac number, because 869011043 - 2⁴ = 869011027 is a prime.

It is a zygodrome in base 2.

It is not a weakly prime, because it can be changed into another prime (869011243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 434505521 + 434505522.

It is an arithmetic number, because the mean of its divisors is an integer number (434505522).

Almost surely, 2^869011043 is an apocalyptic number.

869011043 is a deficient number, since it is larger than the sum of its proper divisors (1).

869011043 is an equidigital number, since it uses as much as digits as its factorization.

869011043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 869011043 is about 29478.9932494310. The cubic root of 869011043 is about 954.2784103485.

The spelling of 869011043 in words is "eight hundred sixty-nine million, eleven thousand, forty-three".