650732990938 has 4 divisors (see below), whose sum is σ = 976099486410. Its totient is φ = 325366495468.

The previous prime is 650732990923. The next prime is 650732990959. The reversal of 650732990938 is 839099237056.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 649244343049 + 1488647889 = 805757^2 + 38583^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162683247733 + ... + 162683247736.

Almost surely, 2^650732990938 is an apocalyptic number.

650732990938 is a deficient number, since it is larger than the sum of its proper divisors (325366495472).

650732990938 is a wasteful number, since it uses less digits than its factorization.

650732990938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325366495471.

The product of its (nonzero) digits is 22044960, while the sum is 61.

The spelling of 650732990938 in words is "six hundred fifty billion, seven hundred thirty-two million, nine hundred ninety thousand, nine hundred thirty-eight".