11419819 has 2 divisors, whose sum is σ = 11419820. Its totient is φ = 11419818.

The previous prime is 11419813. The next prime is 11419829. The reversal of 11419819 is 91891411.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11419819 - 2¹¹ = 11417771 is a prime.

It is a super-2 number, since 2×11419819² = 260824531985522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11419813) 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, 5709909 + 5709910.

It is an arithmetic number, because the mean of its divisors is an integer number (5709910).

Almost surely, 2^11419819 is an apocalyptic number.

11419819 is a deficient number, since it is larger than the sum of its proper divisors (1).

11419819 is an equidigital number, since it uses as much as digits as its factorization.

11419819 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2592, while the sum is 34.

The square root of 11419819 is about 3379.3222693315. The cubic root of 11419819 is about 225.1920598795.

Adding to 11419819 its product of digits (2592), we get a palindrome (11422411).

The spelling of 11419819 in words is "eleven million, four hundred nineteen thousand, eight hundred nineteen".