64546343 has 2 divisors, whose sum is σ = 64546344. Its totient is φ = 64546342.

The previous prime is 64546337. The next prime is 64546379. The reversal of 64546343 is 34364546.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64546343 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64549343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32273171 + 32273172.

It is an arithmetic number, because the mean of its divisors is an integer number (32273172).

Almost surely, 2^64546343 is an apocalyptic number.

64546343 is a deficient number, since it is larger than the sum of its proper divisors (1).

64546343 is an equidigital number, since it uses as much as digits as its factorization.

64546343 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 103680, while the sum is 35.

The square root of 64546343 is about 8034.0738731978. The cubic root of 64546343 is about 401.1349910257.

The spelling of 64546343 in words is "sixty-four million, five hundred forty-six thousand, three hundred forty-three".