8432111969 has 2 divisors, whose sum is σ = 8432111970. Its totient is φ = 8432111968.

The previous prime is 8432111921. The next prime is 8432111981. The reversal of 8432111969 is 9691112348.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7270120225 + 1161991744 = 85265^2 + 34088^2 .

It is a cyclic number.

It is not a de Polignac number, because 8432111969 - 2²⁰ = 8431063393 is a prime.

It is a super-2 number, since 2×8432111969² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (8432111999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4216055984 + 4216055985.

It is an arithmetic number, because the mean of its divisors is an integer number (4216055985).

Almost surely, 2^8432111969 is an apocalyptic number.

It is an amenable number.

8432111969 is a deficient number, since it is larger than the sum of its proper divisors (1).

8432111969 is an equidigital number, since it uses as much as digits as its factorization.

8432111969 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 93312, while the sum is 44.

The square root of 8432111969 is about 91826.5319447490. The cubic root of 8432111969 is about 2035.3797759860.

The spelling of 8432111969 in words is "eight billion, four hundred thirty-two million, one hundred eleven thousand, nine hundred sixty-nine".