650550500001 has 32 divisors (see below), whose sum is σ = 966553136640. Its totient is φ = 432452908800.

The previous prime is 650550499957. The next prime is 650550500051. The reversal of 650550500001 is 100005055056.

650550500001 is a `hidden beast` number, since 65 + 0 + 550 + 50 + 0 + 0 + 0 + 1 = 666.

It is not a de Polignac number, because 650550500001 - 2²⁶ = 650483391137 is a prime.

It is a super-2 number, since 2×650550500001² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (650550500051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21858991 + ... + 21888731.

It is an arithmetic number, because the mean of its divisors is an integer number (30204785520).

Almost surely, 2^650550500001 is an apocalyptic number.

It is an amenable number.

650550500001 is a deficient number, since it is larger than the sum of its proper divisors (316002636639).

650550500001 is a wasteful number, since it uses less digits than its factorization.

650550500001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32054 (or 32048 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 27.

Adding to 650550500001 its reverse (100005055056), we get a palindrome (750555555057).

The spelling of 650550500001 in words is "six hundred fifty billion, five hundred fifty million, five hundred thousand, one".