650398317065 has 16 divisors (see below), whose sum is σ = 892670122368. Its totient is φ = 445639773696.

The previous prime is 650398317043. The next prime is 650398317071. The reversal of 650398317065 is 560713893056.

650398317065 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 650398317065 - 2⁸ = 650398316809 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 650398316998 and 650398317016.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7197032 + ... + 7286841.

It is an arithmetic number, because the mean of its divisors is an integer number (55791882648).

Almost surely, 2^650398317065 is an apocalyptic number.

It is an amenable number.

650398317065 is a deficient number, since it is larger than the sum of its proper divisors (242271805303).

650398317065 is a wasteful number, since it uses less digits than its factorization.

650398317065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14485168.

The product of its (nonzero) digits is 4082400, while the sum is 53.

The spelling of 650398317065 in words is "six hundred fifty billion, three hundred ninety-eight million, three hundred seventeen thousand, sixty-five".