6451626229 has 2 divisors, whose sum is σ = 6451626230. Its totient is φ = 6451626228.

The previous prime is 6451626199. The next prime is 6451626283. The reversal of 6451626229 is 9226261546.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4202021329 + 2249604900 = 64823^2 + 47430^2 .

It is a cyclic number.

It is not a de Polignac number, because 6451626229 - 2⁵ = 6451626197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6451626829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3225813114 + 3225813115.

It is an arithmetic number, because the mean of its divisors is an integer number (3225813115).

Almost surely, 2^6451626229 is an apocalyptic number.

It is an amenable number.

6451626229 is a deficient number, since it is larger than the sum of its proper divisors (1).

6451626229 is an equidigital number, since it uses as much as digits as its factorization.

6451626229 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 311040, while the sum is 43.

The square root of 6451626229 is about 80322.0158424824. The cubic root of 6451626229 is about 1861.6144141379.

The spelling of 6451626229 in words is "six billion, four hundred fifty-one million, six hundred twenty-six thousand, two hundred twenty-nine".