1104644809 has 2 divisors, whose sum is σ = 1104644810. Its totient is φ = 1104644808.

The previous prime is 1104644789. The next prime is 1104644813. The reversal of 1104644809 is 9084464011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 693163584 + 411481225 = 26328^2 + 20285^2 .

It is a cyclic number.

It is not a de Polignac number, because 1104644809 - 2²³ = 1096256201 is a prime.

It is not a weakly prime, because it can be changed into another prime (1104644869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 552322404 + 552322405.

It is an arithmetic number, because the mean of its divisors is an integer number (552322405).

Almost surely, 2^1104644809 is an apocalyptic number.

It is an amenable number.

1104644809 is a deficient number, since it is larger than the sum of its proper divisors (1).

1104644809 is an equidigital number, since it uses as much as digits as its factorization.

1104644809 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27648, while the sum is 37.

The square root of 1104644809 is about 33236.1972704460. The cubic root of 1104644809 is about 1033.7310279018.

It can be divided in two parts, 11046 and 44809, that added together give a palindrome (55855).

The spelling of 1104644809 in words is "one billion, one hundred four million, six hundred forty-four thousand, eight hundred nine".