64841269 has 2 divisors, whose sum is σ = 64841270. Its totient is φ = 64841268.

The previous prime is 64841267. The next prime is 64841333. The reversal of 64841269 is 96214846.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33200644 + 31640625 = 5762^2 + 5625^2 .

It is a cyclic number.

It is not a de Polignac number, because 64841269 - 2¹ = 64841267 is a prime.

It is a super-2 number, since 2×64841269² = 8408780331060722, which contains 22 as substring.

Together with 64841267, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64841267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32420634 + 32420635.

It is an arithmetic number, because the mean of its divisors is an integer number (32420635).

Almost surely, 2^64841269 is an apocalyptic number.

It is an amenable number.

64841269 is a deficient number, since it is larger than the sum of its proper divisors (1).

64841269 is an equidigital number, since it uses as much as digits as its factorization.

64841269 is an evil number, because the sum of its binary digits is even.

The product of its digits is 82944, while the sum is 40.

The square root of 64841269 is about 8052.4076523733. The cubic root of 64841269 is about 401.7450199432.

The spelling of 64841269 in words is "sixty-four million, eight hundred forty-one thousand, two hundred sixty-nine".