11429944457 has 2 divisors, whose sum is σ = 11429944458. Its totient is φ = 11429944456.

The previous prime is 11429944417. The next prime is 11429944511. The reversal of 11429944457 is 75444992411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10758668176 + 671276281 = 103724^2 + 25909^2 .

It is a cyclic number.

It is not a de Polignac number, because 11429944457 - 2¹⁰ = 11429943433 is a prime.

It is not a weakly prime, because it can be changed into another prime (11429944417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5714972228 + 5714972229.

It is an arithmetic number, because the mean of its divisors is an integer number (5714972229).

Almost surely, 2^11429944457 is an apocalyptic number.

It is an amenable number.

11429944457 is a deficient number, since it is larger than the sum of its proper divisors (1).

11429944457 is an equidigital number, since it uses as much as digits as its factorization.

11429944457 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1451520, while the sum is 50.

The spelling of 11429944457 in words is "eleven billion, four hundred twenty-nine million, nine hundred forty-four thousand, four hundred fifty-seven".