919136650 has 12 divisors (see below), whose sum is σ = 1709594262. Its totient is φ = 367654640.

The previous prime is 919136641. The next prime is 919136651. The reversal of 919136650 is 56631919.

919136650 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 862420689 + 56715961 = 29367^2 + 7531^2 .

It is not an unprimeable number, because it can be changed into a prime (919136651) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9191317 + ... + 9191416.

Almost surely, 2^919136650 is an apocalyptic number.

919136650 is a deficient number, since it is larger than the sum of its proper divisors (790457612).

919136650 is a wasteful number, since it uses less digits than its factorization.

919136650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18382745 (or 18382740 counting only the distinct ones).

The product of its (nonzero) digits is 43740, while the sum is 40.

The square root of 919136650 is about 30317.2665324564. The cubic root of 919136650 is about 972.2844974652.

The spelling of 919136650 in words is "nine hundred nineteen million, one hundred thirty-six thousand, six hundred fifty".