6652321009 has 2 divisors, whose sum is σ = 6652321010. Its totient is φ = 6652321008.

The previous prime is 6652321003. The next prime is 6652321043. The reversal of 6652321009 is 9001232566.

It is an a-pointer prime, because the next prime (6652321043) can be obtained adding 6652321009 to its sum of digits (34).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5853015025 + 799305984 = 76505^2 + 28272^2 .

It is a cyclic number.

It is not a de Polignac number, because 6652321009 - 2³ = 6652321001 is a prime.

It is not a weakly prime, because it can be changed into another prime (6652321001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3326160504 + 3326160505.

It is an arithmetic number, because the mean of its divisors is an integer number (3326160505).

Almost surely, 2^6652321009 is an apocalyptic number.

It is an amenable number.

6652321009 is a deficient number, since it is larger than the sum of its proper divisors (1).

6652321009 is an equidigital number, since it uses as much as digits as its factorization.

6652321009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 6652321009 is about 81561.7619292276. The cubic root of 6652321009 is about 1880.7211102144.

The spelling of 6652321009 in words is "six billion, six hundred fifty-two million, three hundred twenty-one thousand, nine".