7164536609 has 2 divisors, whose sum is σ = 7164536610. Its totient is φ = 7164536608.

The previous prime is 7164536597. The next prime is 7164536647. The reversal of 7164536609 is 9066354617.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5224398400 + 1940138209 = 72280^2 + 44047^2 .

It is a cyclic number.

It is not a de Polignac number, because 7164536609 - 2¹⁶ = 7164471073 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (7164536809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3582268304 + 3582268305.

It is an arithmetic number, because the mean of its divisors is an integer number (3582268305).

Almost surely, 2^7164536609 is an apocalyptic number.

It is an amenable number.

7164536609 is a deficient number, since it is larger than the sum of its proper divisors (1).

7164536609 is an equidigital number, since it uses as much as digits as its factorization.

7164536609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 816480, while the sum is 47.

The square root of 7164536609 is about 84643.5857522589. The cubic root of 7164536609 is about 1927.8032231787.

The spelling of 7164536609 in words is "seven billion, one hundred sixty-four million, five hundred thirty-six thousand, six hundred nine".