19098049 has 2 divisors, whose sum is σ = 19098050. Its totient is φ = 19098048.

The previous prime is 19098029. The next prime is 19098061. The reversal of 19098049 is 94089091.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18879025 + 219024 = 4345^2 + 468^2 .

It is a cyclic number.

It is not a de Polignac number, because 19098049 - 2⁹ = 19097537 is a prime.

It is not a weakly prime, because it can be changed into another prime (19098019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9549024 + 9549025.

It is an arithmetic number, because the mean of its divisors is an integer number (9549025).

Almost surely, 2^19098049 is an apocalyptic number.

It is an amenable number.

19098049 is a deficient number, since it is larger than the sum of its proper divisors (1).

19098049 is an equidigital number, since it uses as much as digits as its factorization.

19098049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23328, while the sum is 40.

The square root of 19098049 is about 4370.1314625535. The cubic root of 19098049 is about 267.2983847794.

The spelling of 19098049 in words is "nineteen million, ninety-eight thousand, forty-nine".