8450923109 has 2 divisors, whose sum is σ = 8450923110. Its totient is φ = 8450923108.

The previous prime is 8450923093. The next prime is 8450923121. The reversal of 8450923109 is 9013290548.

8450923109 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 can be written as a sum of positive squares in only one way, i.e., 7318802500 + 1132120609 = 85550^2 + 33647^2 .

It is a cyclic number.

It is not a de Polignac number, because 8450923109 - 2⁴ = 8450923093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8450923909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4225461554 + 4225461555.

It is an arithmetic number, because the mean of its divisors is an integer number (4225461555).

Almost surely, 2^8450923109 is an apocalyptic number.

It is an amenable number.

8450923109 is a deficient number, since it is larger than the sum of its proper divisors (1).

8450923109 is an equidigital number, since it uses as much as digits as its factorization.

8450923109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 77760, while the sum is 41.

The square root of 8450923109 is about 91928.9024681574. The cubic root of 8450923109 is about 2036.8922233732.

The spelling of 8450923109 in words is "eight billion, four hundred fifty million, nine hundred twenty-three thousand, one hundred nine".