1090299349 has 2 divisors, whose sum is σ = 1090299350. Its totient is φ = 1090299348.

The previous prime is 1090299323. The next prime is 1090299493. The reversal of 1090299349 is 9439920901.

Together with next prime (1090299493) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 737122500 + 353176849 = 27150^2 + 18793^2 .

It is a cyclic number.

It is not a de Polignac number, because 1090299349 - 2⁵ = 1090299317 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1090299299 and 1090299308.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1090299319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 545149674 + 545149675.

It is an arithmetic number, because the mean of its divisors is an integer number (545149675).

Almost surely, 2^1090299349 is an apocalyptic number.

It is an amenable number.

1090299349 is a deficient number, since it is larger than the sum of its proper divisors (1).

1090299349 is an equidigital number, since it uses as much as digits as its factorization.

1090299349 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 157464, while the sum is 46.

The square root of 1090299349 is about 33019.6812371046. The cubic root of 1090299349 is about 1029.2366698040.

The spelling of 1090299349 in words is "one billion, ninety million, two hundred ninety-nine thousand, three hundred forty-nine".