1404163109 has 2 divisors, whose sum is σ = 1404163110. Its totient is φ = 1404163108.

The previous prime is 1404163069. The next prime is 1404163129. The reversal of 1404163109 is 9013614041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1117030084 + 287133025 = 33422^2 + 16945^2 .

It is a cyclic number.

It is not a de Polignac number, because 1404163109 - 2²⁴ = 1387385893 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1404163129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 702081554 + 702081555.

It is an arithmetic number, because the mean of its divisors is an integer number (702081555).

Almost surely, 2^1404163109 is an apocalyptic number.

It is an amenable number.

1404163109 is a deficient number, since it is larger than the sum of its proper divisors (1).

1404163109 is an equidigital number, since it uses as much as digits as its factorization.

1404163109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 1404163109 is about 37472.1644557664. The cubic root of 1404163109 is about 1119.7967076284.

The spelling of 1404163109 in words is "one billion, four hundred four million, one hundred sixty-three thousand, one hundred nine".