949006309 has 2 divisors, whose sum is σ = 949006310. Its totient is φ = 949006308.

The previous prime is 949006277. The next prime is 949006337. The reversal of 949006309 is 903600949.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 621504900 + 327501409 = 24930^2 + 18097^2 .

It is a cyclic number.

It is not a de Polignac number, because 949006309 - 2⁵ = 949006277 is a prime.

It is a super-2 number, since 2×949006309² = 1801225949043606962, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (949006109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 474503154 + 474503155.

It is an arithmetic number, because the mean of its divisors is an integer number (474503155).

Almost surely, 2^949006309 is an apocalyptic number.

It is an amenable number.

949006309 is a deficient number, since it is larger than the sum of its proper divisors (1).

949006309 is an equidigital number, since it uses as much as digits as its factorization.

949006309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 52488, while the sum is 40.

The square root of 949006309 is about 30805.9460007317. The cubic root of 949006309 is about 982.7047001008.

The spelling of 949006309 in words is "nine hundred forty-nine million, six thousand, three hundred nine".