650378994 has 16 divisors (see below), whose sum is σ = 1301164032. Its totient is φ = 216725328.

The previous prime is 650378947. The next prime is 650379019. The reversal of 650378994 is 499873056.

It is an unprimeable number.

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, 6372 + ... + 36624.

It is an arithmetic number, because the mean of its divisors is an integer number (81322752).

Almost surely, 2^650378994 is an apocalyptic number.

650378994 is an abundant number, since it is smaller than the sum of its proper divisors (650785038).

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

650378994 is a wasteful number, since it uses less digits than its factorization.

650378994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33841.

The product of its (nonzero) digits is 1632960, while the sum is 51.

The square root of 650378994 is about 25502.5291686923. The cubic root of 650378994 is about 866.4074313087.

The spelling of 650378994 in words is "six hundred fifty million, three hundred seventy-eight thousand, nine hundred ninety-four".