64319429 has 2 divisors, whose sum is σ = 64319430. Its totient is φ = 64319428.

The previous prime is 64319413. The next prime is 64319467. The reversal of 64319429 is 92491346.

It is an a-pointer prime, because the next prime (64319467) can be obtained adding 64319429 to its sum of digits (38).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 60996100 + 3323329 = 7810^2 + 1823^2 .

It is a cyclic number.

It is not a de Polignac number, because 64319429 - 2⁴ = 64319413 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 64319392 and 64319401.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64319329) 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, 32159714 + 32159715.

It is an arithmetic number, because the mean of its divisors is an integer number (32159715).

Almost surely, 2^64319429 is an apocalyptic number.

It is an amenable number.

64319429 is a deficient number, since it is larger than the sum of its proper divisors (1).

64319429 is an equidigital number, since it uses as much as digits as its factorization.

64319429 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 46656, while the sum is 38.

The square root of 64319429 is about 8019.9394636119. The cubic root of 64319429 is about 400.6643729937.

The spelling of 64319429 in words is "sixty-four million, three hundred nineteen thousand, four hundred twenty-nine".