64242329 has 2 divisors, whose sum is σ = 64242330. Its totient is φ = 64242328.

The previous prime is 64242317. The next prime is 64242361. The reversal of 64242329 is 92324246.

It is an a-pointer prime, because the next prime (64242361) can be obtained adding 64242329 to its sum of digits (32).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46895104 + 17347225 = 6848^2 + 4165^2 .

It is a cyclic number.

It is not a de Polignac number, because 64242329 - 2⁴ = 64242313 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 64242295 and 64242304.

It is not a weakly prime, because it can be changed into another prime (64242379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32121164 + 32121165.

It is an arithmetic number, because the mean of its divisors is an integer number (32121165).

Almost surely, 2^64242329 is an apocalyptic number.

It is an amenable number.

64242329 is a deficient number, since it is larger than the sum of its proper divisors (1).

64242329 is an equidigital number, since it uses as much as digits as its factorization.

64242329 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20736, while the sum is 32.

The square root of 64242329 is about 8015.1312528242. The cubic root of 64242329 is about 400.5042162313.

The spelling of 64242329 in words is "sixty-four million, two hundred forty-two thousand, three hundred twenty-nine".