47008189 has 2 divisors, whose sum is σ = 47008190. Its totient is φ = 47008188.

The previous prime is 47008187. The next prime is 47008211. The reversal of 47008189 is 98180074.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42471289 + 4536900 = 6517^2 + 2130^2 .

It is a cyclic number.

It is not a de Polignac number, because 47008189 - 2¹ = 47008187 is a prime.

Together with 47008187, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47008187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23504094 + 23504095.

It is an arithmetic number, because the mean of its divisors is an integer number (23504095).

Almost surely, 2^47008189 is an apocalyptic number.

It is an amenable number.

47008189 is a deficient number, since it is larger than the sum of its proper divisors (1).

47008189 is an equidigital number, since it uses as much as digits as its factorization.

47008189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16128, while the sum is 37.

The square root of 47008189 is about 6856.2518185959. The cubic root of 47008189 is about 360.9035661419.

The spelling of 47008189 in words is "forty-seven million, eight thousand, one hundred eighty-nine".