64089829 has 2 divisors, whose sum is σ = 64089830. Its totient is φ = 64089828.

The previous prime is 64089827. The next prime is 64089841. The reversal of 64089829 is 92898046.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50027329 + 14062500 = 7073^2 + 3750^2 .

It is a cyclic number.

It is not a de Polignac number, because 64089829 - 2¹ = 64089827 is a prime.

Together with 64089827, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64089827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32044914 + 32044915.

It is an arithmetic number, because the mean of its divisors is an integer number (32044915).

Almost surely, 2^64089829 is an apocalyptic number.

It is an amenable number.

64089829 is a deficient number, since it is larger than the sum of its proper divisors (1).

64089829 is an equidigital number, since it uses as much as digits as its factorization.

64089829 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 248832, while the sum is 46.

The square root of 64089829 is about 8005.6123438498. The cubic root of 64089829 is about 400.1870562613.

The spelling of 64089829 in words is "sixty-four million, eighty-nine thousand, eight hundred twenty-nine".