65448369 has 72 divisors (see below), whose sum is σ = 118441440. Its totient is φ = 34618752.

The previous prime is 65448367. The next prime is 65448371. The reversal of 65448369 is 96384456.

It is an interprime number because it is at equal distance from previous prime (65448367) and next prime (65448371).

It is not a de Polignac number, because 65448369 - 2¹ = 65448367 is a prime.

It is a super-2 number, since 2×65448369² = 8566978009520322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (65448367) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 611614 + ... + 611720.

It is an arithmetic number, because the mean of its divisors is an integer number (1645020).

Almost surely, 2^65448369 is an apocalyptic number.

It is an amenable number.

65448369 is a deficient number, since it is larger than the sum of its proper divisors (52993071).

65448369 is a wasteful number, since it uses less digits than its factorization.

65448369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219 (or 209 counting only the distinct ones).

The product of its digits is 622080, while the sum is 45.

The square root of 65448369 is about 8090.0166254465. The cubic root of 65448369 is about 402.9949550604.

The spelling of 65448369 in words is "sixty-five million, four hundred forty-eight thousand, three hundred sixty-nine".