635650012 has 24 divisors (see below), whose sum is σ = 1134913472. Its totient is φ = 311428800.

The previous prime is 635649967. The next prime is 635650013. The reversal of 635650012 is 210056536.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (635650013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61318 + ... + 70930.

Almost surely, 2^635650012 is an apocalyptic number.

It is an amenable number.

635650012 is a deficient number, since it is larger than the sum of its proper divisors (499263460).

635650012 is a wasteful number, since it uses less digits than its factorization.

635650012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9949 (or 9947 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 635650012 is about 25212.1005074944. The cubic root of 635650012 is about 859.8169846719.

The spelling of 635650012 in words is "six hundred thirty-five million, six hundred fifty thousand, twelve".