1417447189 has 2 divisors, whose sum is σ = 1417447190. Its totient is φ = 1417447188.

The previous prime is 1417447133. The next prime is 1417447217. The reversal of 1417447189 is 9817447141.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1171898289 + 245548900 = 34233^2 + 15670^2 .

It is an emirp because it is prime and its reverse (9817447141) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1417447189 - 2⁷ = 1417447061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1417417189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 708723594 + 708723595.

It is an arithmetic number, because the mean of its divisors is an integer number (708723595).

Almost surely, 2^1417447189 is an apocalyptic number.

It is an amenable number.

1417447189 is a deficient number, since it is larger than the sum of its proper divisors (1).

1417447189 is an equidigital number, since it uses as much as digits as its factorization.

1417447189 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 225792, while the sum is 46.

The square root of 1417447189 is about 37648.9998406332. Note that the first 3 decimals coincide. The cubic root of 1417447189 is about 1123.3169074743.

The spelling of 1417447189 in words is "one billion, four hundred seventeen million, four hundred forty-seven thousand, one hundred eighty-nine".