650647796 has 6 divisors (see below), whose sum is σ = 1138633650. Its totient is φ = 325323896.

The previous prime is 650647771. The next prime is 650647801. The reversal of 650647796 is 697746056.

It can be written as a sum of positive squares in only one way, i.e., 583898896 + 66748900 = 24164^2 + 8170^2 .

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 81330971 + ... + 81330978.

It is an arithmetic number, because the mean of its divisors is an integer number (189772275).

Almost surely, 2^650647796 is an apocalyptic number.

It is an amenable number.

650647796 is a deficient number, since it is larger than the sum of its proper divisors (487985854).

650647796 is a wasteful number, since it uses less digits than its factorization.

650647796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162661953 (or 162661951 counting only the distinct ones).

The product of its (nonzero) digits is 1905120, while the sum is 50.

The square root of 650647796 is about 25507.7987290162. The cubic root of 650647796 is about 866.5267770928.

The spelling of 650647796 in words is "six hundred fifty million, six hundred forty-seven thousand, seven hundred ninety-six".