47199149 has 2 divisors, whose sum is σ = 47199150. Its totient is φ = 47199148.

The previous prime is 47199073. The next prime is 47199179. The reversal of 47199149 is 94199174.

It is a happy number.

47199149 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., 46485124 + 714025 = 6818^2 + 845^2 .

It is a cyclic number.

It is not a de Polignac number, because 47199149 - 2²⁴ = 30421933 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47199179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23599574 + 23599575.

It is an arithmetic number, because the mean of its divisors is an integer number (23599575).

Almost surely, 2^47199149 is an apocalyptic number.

It is an amenable number.

47199149 is a deficient number, since it is larger than the sum of its proper divisors (1).

47199149 is an equidigital number, since it uses as much as digits as its factorization.

47199149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 81648, while the sum is 44.

The square root of 47199149 is about 6870.1636807284. The cubic root of 47199149 is about 361.3916019154.

The spelling of 47199149 in words is "forty-seven million, one hundred ninety-nine thousand, one hundred forty-nine".