4227648149 has 2 divisors, whose sum is σ = 4227648150. Its totient is φ = 4227648148.

The previous prime is 4227648079. The next prime is 4227648223. The reversal of 4227648149 is 9418467224.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3436069924 + 791578225 = 58618^2 + 28135^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4227648149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4227641149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2113824074 + 2113824075.

It is an arithmetic number, because the mean of its divisors is an integer number (2113824075).

Almost surely, 2^4227648149 is an apocalyptic number.

It is an amenable number.

4227648149 is a deficient number, since it is larger than the sum of its proper divisors (1).

4227648149 is an equidigital number, since it uses as much as digits as its factorization.

4227648149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 774144, while the sum is 47.

The square root of 4227648149 is about 65020.3671859826. The cubic root of 4227648149 is about 1616.9612482549.

The spelling of 4227648149 in words is "four billion, two hundred twenty-seven million, six hundred forty-eight thousand, one hundred forty-nine".