950801809 has 2 divisors, whose sum is σ = 950801810. Its totient is φ = 950801808.

The previous prime is 950801777. The next prime is 950801827. The reversal of 950801809 is 908108059.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 881911809 + 68890000 = 29697^2 + 8300^2 .

It is a cyclic number.

It is not a de Polignac number, because 950801809 - 2⁵ = 950801777 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (950801009) 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, 475400904 + 475400905.

It is an arithmetic number, because the mean of its divisors is an integer number (475400905).

Almost surely, 2^950801809 is an apocalyptic number.

It is an amenable number.

950801809 is a deficient number, since it is larger than the sum of its proper divisors (1).

950801809 is an equidigital number, since it uses as much as digits as its factorization.

950801809 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25920, while the sum is 40.

The square root of 950801809 is about 30835.0743310276. The cubic root of 950801809 is about 983.3240618743.

The spelling of 950801809 in words is "nine hundred fifty million, eight hundred one thousand, eight hundred nine".