650894747 has 2 divisors, whose sum is σ = 650894748. Its totient is φ = 650894746.

The previous prime is 650894743. The next prime is 650894773. The reversal of 650894747 is 747498056.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 650894747 - 2² = 650894743 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 650894695 and 650894704.

It is not a weakly prime, because it can be changed into another prime (650894743) 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 as a sum of consecutive naturals, namely, 325447373 + 325447374.

It is an arithmetic number, because the mean of its divisors is an integer number (325447374).

Almost surely, 2^650894747 is an apocalyptic number.

650894747 is a deficient number, since it is larger than the sum of its proper divisors (1).

650894747 is an equidigital number, since it uses as much as digits as its factorization.

650894747 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1693440, while the sum is 50.

The square root of 650894747 is about 25512.6389658146. The cubic root of 650894747 is about 866.6363922528.

The spelling of 650894747 in words is "six hundred fifty million, eight hundred ninety-four thousand, seven hundred forty-seven".