11038243693 has 4 divisors (see below), whose sum is σ = 11038837600. Its totient is φ = 11037649788.

The previous prime is 11038243669. The next prime is 11038243747. The reversal of 11038243693 is 39634283011.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 39634283011 = 401 ⋅98838611.

It is a cyclic number.

It is not a de Polignac number, because 11038243693 - 2¹⁷ = 11038112621 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 (11038243613) 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, 268143 + ... + 306556.

It is an arithmetic number, because the mean of its divisors is an integer number (2759709400).

Almost surely, 2^11038243693 is an apocalyptic number.

It is an amenable number.

11038243693 is a deficient number, since it is larger than the sum of its proper divisors (593907).

11038243693 is an equidigital number, since it uses as much as digits as its factorization.

11038243693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 593906.

The product of its (nonzero) digits is 93312, while the sum is 40.

The spelling of 11038243693 in words is "eleven billion, thirty-eight million, two hundred forty-three thousand, six hundred ninety-three".