64416769 has 2 divisors, whose sum is σ = 64416770. Its totient is φ = 64416768.

The previous prime is 64416749. The next prime is 64416787. The reversal of 64416769 is 96761446.

64416769 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 58599025 + 5817744 = 7655^2 + 2412^2 .

It is a cyclic number.

It is not a de Polignac number, because 64416769 - 2⁹ = 64416257 is a prime.

It is a super-2 number, since 2×64416769² = 8299040256798722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (64416719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32208384 + 32208385.

It is an arithmetic number, because the mean of its divisors is an integer number (32208385).

Almost surely, 2^64416769 is an apocalyptic number.

It is an amenable number.

64416769 is a deficient number, since it is larger than the sum of its proper divisors (1).

64416769 is an equidigital number, since it uses as much as digits as its factorization.

64416769 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 217728, while the sum is 43.

The square root of 64416769 is about 8026.0057936685. The cubic root of 64416769 is about 400.8663908125.

The spelling of 64416769 in words is "sixty-four million, four hundred sixteen thousand, seven hundred sixty-nine".