6625234309 has 2 divisors, whose sum is σ = 6625234310. Its totient is φ = 6625234308.

The previous prime is 6625234303. The next prime is 6625234337. The reversal of 6625234309 is 9034325266.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6404800900 + 220433409 = 80030^2 + 14847^2 .

It is a cyclic number.

It is not a de Polignac number, because 6625234309 - 2²⁹ = 6088363397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6625234303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3312617154 + 3312617155.

It is an arithmetic number, because the mean of its divisors is an integer number (3312617155).

Almost surely, 2^6625234309 is an apocalyptic number.

It is an amenable number.

6625234309 is a deficient number, since it is larger than the sum of its proper divisors (1).

6625234309 is an equidigital number, since it uses as much as digits as its factorization.

6625234309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 233280, while the sum is 40.

The square root of 6625234309 is about 81395.5423165176. The cubic root of 6625234309 is about 1878.1650185239.

The spelling of 6625234309 in words is "six billion, six hundred twenty-five million, two hundred thirty-four thousand, three hundred nine".