11946388459 has 2 divisors, whose sum is σ = 11946388460. Its totient is φ = 11946388458.

The previous prime is 11946388457. The next prime is 11946388469. The reversal of 11946388459 is 95488364911.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11946388459 - 2¹ = 11946388457 is a prime.

Together with 11946388457, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (11946388457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5973194229 + 5973194230.

It is an arithmetic number, because the mean of its divisors is an integer number (5973194230).

Almost surely, 2^11946388459 is an apocalyptic number.

11946388459 is a deficient number, since it is larger than the sum of its proper divisors (1).

11946388459 is an equidigital number, since it uses as much as digits as its factorization.

11946388459 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7464960, while the sum is 58.

The spelling of 11946388459 in words is "eleven billion, nine hundred forty-six million, three hundred eighty-eight thousand, four hundred fifty-nine".