949224149 has 2 divisors, whose sum is σ = 949224150. Its totient is φ = 949224148.

The previous prime is 949224109. The next prime is 949224151. The reversal of 949224149 is 941422949.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 814246225 + 134977924 = 28535^2 + 11618^2 .

It is an emirp because it is prime and its reverse (941422949) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-949224149 is a prime.

Together with 949224151, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (949224109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 474612074 + 474612075.

It is an arithmetic number, because the mean of its divisors is an integer number (474612075).

Almost surely, 2^949224149 is an apocalyptic number.

It is an amenable number.

949224149 is a deficient number, since it is larger than the sum of its proper divisors (1).

949224149 is an equidigital number, since it uses as much as digits as its factorization.

949224149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 186624, while the sum is 44.

The square root of 949224149 is about 30809.4814789214. The cubic root of 949224149 is about 982.7798861180.

The spelling of 949224149 in words is "nine hundred forty-nine million, two hundred twenty-four thousand, one hundred forty-nine".