65217357089 has 16 divisors (see below), whose sum is σ = 67366605504. Its totient is φ = 63097574400.

The previous prime is 65217357053. The next prime is 65217357097. The reversal of 65217357089 is 98075371256.

65217357089 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 65217357089 - 2⁸ = 65217356833 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 65217357089.

It is not an unprimeable number, because it can be changed into a prime (65217357389) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10497194 + ... + 10503404.

It is an arithmetic number, because the mean of its divisors is an integer number (4210412844).

Almost surely, 2^65217357089 is an apocalyptic number.

It is an amenable number.

65217357089 is a deficient number, since it is larger than the sum of its proper divisors (2149248415).

65217357089 is a wasteful number, since it uses less digits than its factorization.

65217357089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8528.

The product of its (nonzero) digits is 3175200, while the sum is 53.

The spelling of 65217357089 in words is "sixty-five billion, two hundred seventeen million, three hundred fifty-seven thousand, eighty-nine".