65434689 has 32 divisors (see below), whose sum is σ = 102672000. Its totient is φ = 41072832.

The previous prime is 65434661. The next prime is 65434741. The reversal of 65434689 is 98643456.

65434689 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 65434689 - 2⁵ = 65434657 is a prime.

It is not an unprimeable number, because it can be changed into a prime (65434619) 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 in 31 ways as a sum of consecutive naturals, for example, 117199 + ... + 117755.

It is an arithmetic number, because the mean of its divisors is an integer number (3208500).

Almost surely, 2^65434689 is an apocalyptic number.

It is an amenable number.

65434689 is a deficient number, since it is larger than the sum of its proper divisors (37237311).

65434689 is a wasteful number, since it uses less digits than its factorization.

65434689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 814 (or 808 counting only the distinct ones).

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

The square root of 65434689 is about 8089.1710947414. The cubic root of 65434689 is about 402.9668751392.

The spelling of 65434689 in words is "sixty-five million, four hundred thirty-four thousand, six hundred eighty-nine".