1090449011 has 2 divisors, whose sum is σ = 1090449012. Its totient is φ = 1090449010.

The previous prime is 1090449001. The next prime is 1090449043. The reversal of 1090449011 is 1109440901.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1090449011 is a prime.

It is not a weakly prime, because it can be changed into another prime (1090449001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 545224505 + 545224506.

It is an arithmetic number, because the mean of its divisors is an integer number (545224506).

Almost surely, 2^1090449011 is an apocalyptic number.

1090449011 is a deficient number, since it is larger than the sum of its proper divisors (1).

1090449011 is an equidigital number, since it uses as much as digits as its factorization.

1090449011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 29.

The square root of 1090449011 is about 33021.9474138034. The cubic root of 1090449011 is about 1029.2837610214.

Adding to 1090449011 its reverse (1109440901), we get a palindrome (2199889912).

The spelling of 1090449011 in words is "one billion, ninety million, four hundred forty-nine thousand, eleven".