650795749 has 2 divisors, whose sum is σ = 650795750. Its totient is φ = 650795748.

The previous prime is 650795737. The next prime is 650795753. The reversal of 650795749 is 947597056.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 377058724 + 273737025 = 19418^2 + 16545^2 .

It is a cyclic number.

It is not a de Polignac number, because 650795749 - 2⁹ = 650795237 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 650795696 and 650795705.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (650795549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 325397874 + 325397875.

It is an arithmetic number, because the mean of its divisors is an integer number (325397875).

Almost surely, 2^650795749 is an apocalyptic number.

It is an amenable number.

650795749 is a deficient number, since it is larger than the sum of its proper divisors (1).

650795749 is an equidigital number, since it uses as much as digits as its factorization.

650795749 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2381400, while the sum is 52.

The square root of 650795749 is about 25510.6987164209. The cubic root of 650795749 is about 866.5924529318.

The spelling of 650795749 in words is "six hundred fifty million, seven hundred ninety-five thousand, seven hundred forty-nine".