64934329 has 2 divisors, whose sum is σ = 64934330. Its totient is φ = 64934328.

The previous prime is 64934327. The next prime is 64934347. The reversal of 64934329 is 92343946.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 64770304 + 164025 = 8048^2 + 405^2 .

It is a cyclic number.

It is not a de Polignac number, because 64934329 - 2¹ = 64934327 is a prime.

Together with 64934327, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 64934291 and 64934300.

It is not a weakly prime, because it can be changed into another prime (64934327) 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, 32467164 + 32467165.

It is an arithmetic number, because the mean of its divisors is an integer number (32467165).

Almost surely, 2^64934329 is an apocalyptic number.

It is an amenable number.

64934329 is a deficient number, since it is larger than the sum of its proper divisors (1).

64934329 is an equidigital number, since it uses as much as digits as its factorization.

64934329 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 139968, while the sum is 40.

The square root of 64934329 is about 8058.1839765545. The cubic root of 64934329 is about 401.9371224974.

The spelling of 64934329 in words is "sixty-four million, nine hundred thirty-four thousand, three hundred twenty-nine".