11388284393 has 4 divisors (see below), whose sum is σ = 11388674388. Its totient is φ = 11387894400.

The previous prime is 11388284387. The next prime is 11388284399. The reversal of 11388284393 is 39348288311.

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

It is an interprime number because it is at equal distance from previous prime (11388284387) and next prime (11388284399).

It can be written as a sum of positive squares in 2 ways, for example, as 7213444624 + 4174839769 = 84932^2 + 64613^2 .

It is a cyclic number.

It is not a de Polignac number, because 11388284393 - 2⁶ = 11388284329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11388284399) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 147308 + ... + 210893.

It is an arithmetic number, because the mean of its divisors is an integer number (2847168597).

Almost surely, 2^11388284393 is an apocalyptic number.

It is an amenable number.

11388284393 is a deficient number, since it is larger than the sum of its proper divisors (389995).

11388284393 is an equidigital number, since it uses as much as digits as its factorization.

11388284393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389994.

The product of its digits is 995328, while the sum is 50.

The spelling of 11388284393 in words is "eleven billion, three hundred eighty-eight million, two hundred eighty-four thousand, three hundred ninety-three".