650645501706 has 24 divisors (see below), whose sum is σ = 1415581439844. Its totient is φ = 215981907840.

The previous prime is 650645501689. The next prime is 650645501731. The reversal of 650645501706 is 607105546056.

It can be written as a sum of positive squares in 2 ways, for example, as 614748515481 + 35896986225 = 784059^2 + 189465^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 74989381 + ... + 74998056.

Almost surely, 2^650645501706 is an apocalyptic number.

650645501706 is an abundant number, since it is smaller than the sum of its proper divisors (764935938138).

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

650645501706 is a wasteful number, since it uses less digits than its factorization.

650645501706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149987686 (or 149987683 counting only the distinct ones).

The product of its (nonzero) digits is 756000, while the sum is 45.

The spelling of 650645501706 in words is "six hundred fifty billion, six hundred forty-five million, five hundred one thousand, seven hundred six".