950081009 has 2 divisors, whose sum is σ = 950081010. Its totient is φ = 950081008.

The previous prime is 950080993. The next prime is 950081029. The reversal of 950081009 is 900180059.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 812535025 + 137545984 = 28505^2 + 11728^2 .

It is an emirp because it is prime and its reverse (900180059) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 950081009 - 2⁴ = 950080993 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (950081029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 475040504 + 475040505.

It is an arithmetic number, because the mean of its divisors is an integer number (475040505).

Almost surely, 2^950081009 is an apocalyptic number.

It is an amenable number.

950081009 is a deficient number, since it is larger than the sum of its proper divisors (1).

950081009 is an equidigital number, since it uses as much as digits as its factorization.

950081009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3240, while the sum is 32.

The square root of 950081009 is about 30823.3841263415. The cubic root of 950081009 is about 983.0755140485.

It can be divided in two parts, 9500 and 81009, that added together give a palindrome (90509).

The spelling of 950081009 in words is "nine hundred fifty million, eighty-one thousand, nine".