11910394439 has 2 divisors, whose sum is σ = 11910394440. Its totient is φ = 11910394438.

The previous prime is 11910394423. The next prime is 11910394469. The reversal of 11910394439 is 93449301911.

11910394439 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11910394439 - 2⁴ = 11910394423 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11910394439.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11910394469) 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, 5955197219 + 5955197220.

It is an arithmetic number, because the mean of its divisors is an integer number (5955197220).

Almost surely, 2^11910394439 is an apocalyptic number.

11910394439 is a deficient number, since it is larger than the sum of its proper divisors (1).

11910394439 is an equidigital number, since it uses as much as digits as its factorization.

11910394439 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 104976, while the sum is 44.

The spelling of 11910394439 in words is "eleven billion, nine hundred ten million, three hundred ninety-four thousand, four hundred thirty-nine".