65489641 has 8 divisors (see below), whose sum is σ = 74909120. Its totient is φ = 56086128.

The previous prime is 65489629. The next prime is 65489689. The reversal of 65489641 is 14698456.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 65489641 - 2⁷ = 65489513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65489041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6730 + ... + 13276.

It is an arithmetic number, because the mean of its divisors is an integer number (9363640).

Almost surely, 2^65489641 is an apocalyptic number.

It is an amenable number.

65489641 is a deficient number, since it is larger than the sum of its proper divisors (9419479).

65489641 is a wasteful number, since it uses less digits than its factorization.

65489641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7983.

The product of its digits is 207360, while the sum is 43.

The square root of 65489641 is about 8092.5670216564. The cubic root of 65489641 is about 403.0796473306.

The spelling of 65489641 in words is "sixty-five million, four hundred eighty-nine thousand, six hundred forty-one".