1090299289 has 2 divisors, whose sum is σ = 1090299290. Its totient is φ = 1090299288.

The previous prime is 1090299263. The next prime is 1090299307. The reversal of 1090299289 is 9829920901.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1073217600 + 17081689 = 32760^2 + 4133^2 .

It is an emirp because it is prime and its reverse (9829920901) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1090299289 - 2⁹ = 1090298777 is a prime.

It is not a weakly prime, because it can be changed into another prime (1090299209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 545149644 + 545149645.

It is an arithmetic number, because the mean of its divisors is an integer number (545149645).

Almost surely, 2^1090299289 is an apocalyptic number.

It is an amenable number.

1090299289 is a deficient number, since it is larger than the sum of its proper divisors (1).

1090299289 is an equidigital number, since it uses as much as digits as its factorization.

1090299289 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 209952, while the sum is 49.

The square root of 1090299289 is about 33019.6803285556. The cubic root of 1090299289 is about 1029.2366509241.

The spelling of 1090299289 in words is "one billion, ninety million, two hundred ninety-nine thousand, two hundred eighty-nine".