64304329 has 2 divisors, whose sum is σ = 64304330. Its totient is φ = 64304328.

The previous prime is 64304311. The next prime is 64304347. The reversal of 64304329 is 92340346.

It is a balanced prime because it is at equal distance from previous prime (64304311) and next prime (64304347).

It can be written as a sum of positive squares in only one way, i.e., 48622729 + 15681600 = 6973^2 + 3960^2 .

It is a cyclic number.

It is not a de Polignac number, because 64304329 - 2¹¹ = 64302281 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 64304329.

It is not a weakly prime, because it can be changed into another prime (64304029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32152164 + 32152165.

It is an arithmetic number, because the mean of its divisors is an integer number (32152165).

Almost surely, 2^64304329 is an apocalyptic number.

It is an amenable number.

64304329 is a deficient number, since it is larger than the sum of its proper divisors (1).

64304329 is an equidigital number, since it uses as much as digits as its factorization.

64304329 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 31.

The square root of 64304329 is about 8018.9980047385. The cubic root of 64304329 is about 400.6330164470.

The spelling of 64304329 in words is "sixty-four million, three hundred four thousand, three hundred twenty-nine".