11619684223489 has 2 divisors, whose sum is σ = 11619684223490. Its totient is φ = 11619684223488.

The previous prime is 11619684223481. The next prime is 11619684223517. The reversal of 11619684223489 is 98432248691611.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11613325755889 + 6358467600 = 3407833^2 + 79740^2 .

It is a cyclic number.

It is not a de Polignac number, because 11619684223489 - 2³ = 11619684223481 is a prime.

It is a super-2 number, since 2×11619684223489² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11619684223489.

It is not a weakly prime, because it can be changed into another prime (11619684223481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5809842111744 + 5809842111745.

It is an arithmetic number, because the mean of its divisors is an integer number (5809842111745).

Almost surely, 2^{11619684223489} is an apocalyptic number.

It is an amenable number.

11619684223489 is a deficient number, since it is larger than the sum of its proper divisors (1).

11619684223489 is an equidigital number, since it uses as much as digits as its factorization.

11619684223489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 35831808, while the sum is 64.

The spelling of 11619684223489 in words is "eleven trillion, six hundred nineteen billion, six hundred eighty-four million, two hundred twenty-three thousand, four hundred eighty-nine".