650314455631 has 16 divisors (see below), whose sum is σ = 666091641600. Its totient is φ = 634704009408.

The previous prime is 650314455611. The next prime is 650314455649. The reversal of 650314455631 is 136554413056.

It is a cyclic number.

It is not a de Polignac number, because 650314455631 - 2¹¹ = 650314453583 is a prime.

It is a super-2 number, since 2×650314455631² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (650314455601) 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, 9264675 + ... + 9334603.

It is an arithmetic number, because the mean of its divisors is an integer number (41630727600).

Almost surely, 2^650314455631 is an apocalyptic number.

650314455631 is a deficient number, since it is larger than the sum of its proper divisors (15777185969).

650314455631 is a wasteful number, since it uses less digits than its factorization.

650314455631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71118.

The product of its (nonzero) digits is 648000, while the sum is 43.

Adding to 650314455631 its reverse (136554413056), we get a palindrome (786868868687).

The spelling of 650314455631 in words is "six hundred fifty billion, three hundred fourteen million, four hundred fifty-five thousand, six hundred thirty-one".