650864565039 has 32 divisors (see below), whose sum is σ = 967739129280. Its totient is φ = 386345530368.

The previous prime is 650864565037. The next prime is 650864565053. The reversal of 650864565039 is 930565468056.

It is not a de Polignac number, because 650864565039 - 2¹ = 650864565037 is a prime.

It is a super-2 number, since 2×650864565039² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 650864565039.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (650864565037) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 889777 + ... + 1446869.

It is an arithmetic number, because the mean of its divisors is an integer number (30241847790).

Almost surely, 2^650864565039 is an apocalyptic number.

650864565039 is a deficient number, since it is larger than the sum of its proper divisors (316874564241).

650864565039 is a wasteful number, since it uses less digits than its factorization.

650864565039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 558171.

The product of its (nonzero) digits is 23328000, while the sum is 57.

The spelling of 650864565039 in words is "six hundred fifty billion, eight hundred sixty-four million, five hundred sixty-five thousand, thirty-nine".