65944363 has 2 divisors, whose sum is σ = 65944364. Its totient is φ = 65944362.

The previous prime is 65944321. The next prime is 65944367. The reversal of 65944363 is 36344956.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65944363 is a prime.

It is a super-2 number, since 2×65944363² = 8697318022951538, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (65944367) 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, 32972181 + 32972182.

It is an arithmetic number, because the mean of its divisors is an integer number (32972182).

Almost surely, 2^65944363 is an apocalyptic number.

65944363 is a deficient number, since it is larger than the sum of its proper divisors (1).

65944363 is an equidigital number, since it uses as much as digits as its factorization.

65944363 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 233280, while the sum is 40.

The square root of 65944363 is about 8120.6134620483. The cubic root of 65944363 is about 404.0104133348.

The spelling of 65944363 in words is "sixty-five million, nine hundred forty-four thousand, three hundred sixty-three".