11424168409 has 2 divisors, whose sum is σ = 11424168410. Its totient is φ = 11424168408.

The previous prime is 11424168401. The next prime is 11424168421. The reversal of 11424168409 is 90486142411.

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., 11421624384 + 2544025 = 106872^2 + 1595^2 .

It is a cyclic number.

It is not a de Polignac number, because 11424168409 - 2³ = 11424168401 is a prime.

It is not a weakly prime, because it can be changed into another prime (11424168401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5712084204 + 5712084205.

It is an arithmetic number, because the mean of its divisors is an integer number (5712084205).

Almost surely, 2^11424168409 is an apocalyptic number.

It is an amenable number.

11424168409 is a deficient number, since it is larger than the sum of its proper divisors (1).

11424168409 is an equidigital number, since it uses as much as digits as its factorization.

11424168409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 55296, while the sum is 40.

The spelling of 11424168409 in words is "eleven billion, four hundred twenty-four million, one hundred sixty-eight thousand, four hundred nine".