650774923 has 2 divisors, whose sum is σ = 650774924. Its totient is φ = 650774922.

The previous prime is 650774911. The next prime is 650774941. The reversal of 650774923 is 329477056.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 650774923 - 2¹³ = 650766731 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 650774923.

It is not a weakly prime, because it can be changed into another prime (650774983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 325387461 + 325387462.

It is an arithmetic number, because the mean of its divisors is an integer number (325387462).

Almost surely, 2^650774923 is an apocalyptic number.

650774923 is a deficient number, since it is larger than the sum of its proper divisors (1).

650774923 is an equidigital number, since it uses as much as digits as its factorization.

650774923 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 317520, while the sum is 43.

The square root of 650774923 is about 25510.2905314698. The cubic root of 650774923 is about 866.5832089425.

The spelling of 650774923 in words is "six hundred fifty million, seven hundred seventy-four thousand, nine hundred twenty-three".