6464886229 has 2 divisors, whose sum is σ = 6464886230. Its totient is φ = 6464886228.

The previous prime is 6464886223. The next prime is 6464886251. The reversal of 6464886229 is 9226884646.

6464886229 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5901773329 + 563112900 = 76823^2 + 23730^2 .

It is a cyclic number.

It is not a de Polignac number, because 6464886229 - 2³ = 6464886221 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6464886229.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6464886221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3232443114 + 3232443115.

It is an arithmetic number, because the mean of its divisors is an integer number (3232443115).

Almost surely, 2^6464886229 is an apocalyptic number.

It is an amenable number.

6464886229 is a deficient number, since it is larger than the sum of its proper divisors (1).

6464886229 is an equidigital number, since it uses as much as digits as its factorization.

6464886229 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7962624, while the sum is 55.

The square root of 6464886229 is about 80404.5162226600. The cubic root of 6464886229 is about 1862.8889307675. Note that the first 3 decimals are identical.

The spelling of 6464886229 in words is "six billion, four hundred sixty-four million, eight hundred eighty-six thousand, two hundred twenty-nine".