1109964049 has 2 divisors, whose sum is σ = 1109964050. Its totient is φ = 1109964048.

The previous prime is 1109964041. The next prime is 1109964077. The reversal of 1109964049 is 9404699011.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 944455824 + 165508225 = 30732^2 + 12865^2 .

It is a cyclic number.

It is not a de Polignac number, because 1109964049 - 2³ = 1109964041 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1109963996 and 1109964014.

It is not a weakly prime, because it can be changed into another prime (1109964041) 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, 554982024 + 554982025.

It is an arithmetic number, because the mean of its divisors is an integer number (554982025).

Almost surely, 2^1109964049 is an apocalyptic number.

It is an amenable number.

1109964049 is a deficient number, since it is larger than the sum of its proper divisors (1).

1109964049 is an equidigital number, since it uses as much as digits as its factorization.

1109964049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 69984, while the sum is 43.

The square root of 1109964049 is about 33316.1229587117. The cubic root of 1109964049 is about 1035.3876270627.

The spelling of 1109964049 in words is "one billion, one hundred nine million, nine hundred sixty-four thousand, forty-nine".