19448089 has 2 divisors, whose sum is σ = 19448090. Its totient is φ = 19448088.

The previous prime is 19448059. The next prime is 19448101. The reversal of 19448089 is 98084491.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14953689 + 4494400 = 3867^2 + 2120^2 .

It is a cyclic number.

It is not a de Polignac number, because 19448089 - 2⁵ = 19448057 is a prime.

It is not a weakly prime, because it can be changed into another prime (19448059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9724044 + 9724045.

It is an arithmetic number, because the mean of its divisors is an integer number (9724045).

Almost surely, 2^19448089 is an apocalyptic number.

It is an amenable number.

19448089 is a deficient number, since it is larger than the sum of its proper divisors (1).

19448089 is an equidigital number, since it uses as much as digits as its factorization.

19448089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 82944, while the sum is 43.

The square root of 19448089 is about 4409.9987528343. The cubic root of 19448089 is about 268.9215739460.

The spelling of 19448089 in words is "nineteen million, four hundred forty-eight thousand, eighty-nine".