8469324649 has 2 divisors, whose sum is σ = 8469324650. Its totient is φ = 8469324648.

The previous prime is 8469324641. The next prime is 8469324653. The reversal of 8469324649 is 9464239648.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6631659225 + 1837665424 = 81435^2 + 42868^2 .

It is a cyclic number.

It is not a de Polignac number, because 8469324649 - 2³ = 8469324641 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8469324649.

It is not a weakly prime, because it can be changed into another prime (8469324641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4234662324 + 4234662325.

It is an arithmetic number, because the mean of its divisors is an integer number (4234662325).

Almost surely, 2^8469324649 is an apocalyptic number.

It is an amenable number.

8469324649 is a deficient number, since it is larger than the sum of its proper divisors (1).

8469324649 is an equidigital number, since it uses as much as digits as its factorization.

8469324649 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8957952, while the sum is 55.

The square root of 8469324649 is about 92028.9337599866. The cubic root of 8469324649 is about 2038.3695681540.

The spelling of 8469324649 in words is "eight billion, four hundred sixty-nine million, three hundred twenty-four thousand, six hundred forty-nine".