6451410809 has 2 divisors, whose sum is σ = 6451410810. Its totient is φ = 6451410808.

The previous prime is 6451410793. The next prime is 6451410817. The reversal of 6451410809 is 9080141546.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6024864400 + 426546409 = 77620^2 + 20653^2 .

It is a cyclic number.

It is not a de Polignac number, because 6451410809 - 2⁴ = 6451410793 is a prime.

It is not a weakly prime, because it can be changed into another prime (6451410859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3225705404 + 3225705405.

It is an arithmetic number, because the mean of its divisors is an integer number (3225705405).

Almost surely, 2^6451410809 is an apocalyptic number.

It is an amenable number.

6451410809 is a deficient number, since it is larger than the sum of its proper divisors (1).

6451410809 is an equidigital number, since it uses as much as digits as its factorization.

6451410809 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34560, while the sum is 38.

The square root of 6451410809 is about 80320.6748539876. The cubic root of 6451410809 is about 1861.5936941196.

The spelling of 6451410809 in words is "six billion, four hundred fifty-one million, four hundred ten thousand, eight hundred nine".