11398427743 has 4 divisors (see below), whose sum is σ = 11410698240. Its totient is φ = 11386157248.

The previous prime is 11398427737. The next prime is 11398427771. The reversal of 11398427743 is 34772489311.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11398427743 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11398427783) 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 in 3 ways as a sum of consecutive naturals, for example, 6133855 + ... + 6135712.

It is an arithmetic number, because the mean of its divisors is an integer number (2852674560).

Almost surely, 2^11398427743 is an apocalyptic number.

11398427743 is a deficient number, since it is larger than the sum of its proper divisors (12270497).

11398427743 is an equidigital number, since it uses as much as digits as its factorization.

11398427743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12270496.

The product of its digits is 1016064, while the sum is 49.

The spelling of 11398427743 in words is "eleven billion, three hundred ninety-eight million, four hundred twenty-seven thousand, seven hundred forty-three".