64343413 has 2 divisors, whose sum is σ = 64343414. Its totient is φ = 64343412.

The previous prime is 64343399. The next prime is 64343417. The reversal of 64343413 is 31434346.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45185284 + 19158129 = 6722^2 + 4377^2 .

It is a cyclic number.

It is not a de Polignac number, because 64343413 - 2¹³ = 64335221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64343417) 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, 32171706 + 32171707.

It is an arithmetic number, because the mean of its divisors is an integer number (32171707).

Almost surely, 2^64343413 is an apocalyptic number.

It is an amenable number.

64343413 is a deficient number, since it is larger than the sum of its proper divisors (1).

64343413 is an equidigital number, since it uses as much as digits as its factorization.

64343413 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10368, while the sum is 28.

The square root of 64343413 is about 8021.4345973772. The cubic root of 64343413 is about 400.7141679017.

Adding to 64343413 its reverse (31434346), we get a palindrome (95777759).

The spelling of 64343413 in words is "sixty-four million, three hundred forty-three thousand, four hundred thirteen".