949859849 has 2 divisors, whose sum is σ = 949859850. Its totient is φ = 949859848.

The previous prime is 949859839. The next prime is 949859857. The reversal of 949859849 is 948958949.

949859849 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 559086025 + 390773824 = 23645^2 + 19768^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-949859849 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (949859839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 474929924 + 474929925.

It is an arithmetic number, because the mean of its divisors is an integer number (474929925).

Almost surely, 2^949859849 is an apocalyptic number.

It is an amenable number.

949859849 is a deficient number, since it is larger than the sum of its proper divisors (1).

949859849 is an equidigital number, since it uses as much as digits as its factorization.

949859849 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 33592320, while the sum is 65.

The square root of 949859849 is about 30819.7963815467. The cubic root of 949859849 is about 982.9992279736. Note that the first 3 decimals are identical.

The spelling of 949859849 in words is "nine hundred forty-nine million, eight hundred fifty-nine thousand, eight hundred forty-nine".