650209561422 has 32 divisors (see below), whose sum is σ = 1305997655040. Its totient is φ = 215806956960.

The previous prime is 650209561387. The next prime is 650209561423. The reversal of 650209561422 is 224165902056.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (650209561423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18758047 + ... + 18792677.

It is an arithmetic number, because the mean of its divisors is an integer number (40812426720).

Almost surely, 2^650209561422 is an apocalyptic number.

650209561422 is an abundant number, since it is smaller than the sum of its proper divisors (655788093618).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

650209561422 is a wasteful number, since it uses less digits than its factorization.

650209561422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47968.

The product of its (nonzero) digits is 259200, while the sum is 42.

The spelling of 650209561422 in words is "six hundred fifty billion, two hundred nine million, five hundred sixty-one thousand, four hundred twenty-two".