64944283 has 2 divisors, whose sum is σ = 64944284. Its totient is φ = 64944282.

The previous prime is 64944277. The next prime is 64944293. The reversal of 64944283 is 38244946.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 64944283 - 2⁵ = 64944251 is a prime.

It is not a weakly prime, because it can be changed into another prime (64944293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32472141 + 32472142.

It is an arithmetic number, because the mean of its divisors is an integer number (32472142).

Almost surely, 2^64944283 is an apocalyptic number.

64944283 is a deficient number, since it is larger than the sum of its proper divisors (1).

64944283 is an equidigital number, since it uses as much as digits as its factorization.

64944283 is an evil number, because the sum of its binary digits is even.

The product of its digits is 165888, while the sum is 40.

The square root of 64944283 is about 8058.8015858439. The cubic root of 64944283 is about 401.9576595424.

The spelling of 64944283 in words is "sixty-four million, nine hundred forty-four thousand, two hundred eighty-three".