650551650 has 48 divisors (see below), whose sum is σ = 1843852224. Its totient is φ = 148697280.

The previous prime is 650551609. The next prime is 650551651. The reversal of 650551650 is 56155056.

It is not an unprimeable number, because it can be changed into a prime (650551651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 308737 + ... + 310836.

It is an arithmetic number, because the mean of its divisors is an integer number (38413588).

Almost surely, 2^650551650 is an apocalyptic number.

650551650 is an abundant number, since it is smaller than the sum of its proper divisors (1193300574).

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

650551650 is a wasteful number, since it uses less digits than its factorization.

650551650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 619595 (or 619590 counting only the distinct ones).

The product of its (nonzero) digits is 22500, while the sum is 33.

The square root of 650551650 is about 25505.9140200856. The cubic root of 650551650 is about 866.4840928694.

The spelling of 650551650 in words is "six hundred fifty million, five hundred fifty-one thousand, six hundred fifty".