650952642 has 16 divisors (see below), whose sum is σ = 1302174720. Its totient is φ = 216939312.

The previous prime is 650952641. The next prime is 650952667. The reversal of 650952642 is 246259056.

It is a self number, because there is not a number n which added to its sum of digits gives 650952642.

It is not an unprimeable number, because it can be changed into a prime (650952641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34528 + ... + 49940.

It is an arithmetic number, because the mean of its divisors is an integer number (81385920).

Almost surely, 2^650952642 is an apocalyptic number.

650952642 is an abundant number, since it is smaller than the sum of its proper divisors (651222078).

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

650952642 is a wasteful number, since it uses less digits than its factorization.

650952642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22457.

The product of its (nonzero) digits is 129600, while the sum is 39.

The square root of 650952642 is about 25513.7735742873. The cubic root of 650952642 is about 866.6620863335.

The spelling of 650952642 in words is "six hundred fifty million, nine hundred fifty-two thousand, six hundred forty-two".