6468435289 has 2 divisors, whose sum is σ = 6468435290. Its totient is φ = 6468435288.

The previous prime is 6468435283. The next prime is 6468435317. The reversal of 6468435289 is 9825348646.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5490810000 + 977625289 = 74100^2 + 31267^2 .

It is a cyclic number.

It is not a de Polignac number, because 6468435289 - 2⁵ = 6468435257 is a prime.

It is not a weakly prime, because it can be changed into another prime (6468435283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3234217644 + 3234217645.

It is an arithmetic number, because the mean of its divisors is an integer number (3234217645).

Almost surely, 2^6468435289 is an apocalyptic number.

It is an amenable number.

6468435289 is a deficient number, since it is larger than the sum of its proper divisors (1).

6468435289 is an equidigital number, since it uses as much as digits as its factorization.

6468435289 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9953280, while the sum is 55.

The square root of 6468435289 is about 80426.5832234591. The cubic root of 6468435289 is about 1863.2297614681.

The spelling of 6468435289 in words is "six billion, four hundred sixty-eight million, four hundred thirty-five thousand, two hundred eighty-nine".