11369634923809 has 4 divisors (see below), whose sum is σ = 11369658488980. Its totient is φ = 11369611358640.

The previous prime is 11369634923791. The next prime is 11369634923827. The reversal of 11369634923809 is 90832943696311.

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 (11369634923791) and next prime (11369634923827).

It can be written as a sum of positive squares in 2 ways, for example, as 4962803230225 + 6406831693584 = 2227735^2 + 2531172^2 .

It is a cyclic number.

It is not a de Polignac number, because 11369634923809 - 2¹⁹ = 11369634399521 is a prime.

It is a super-3 number, since 3×11369634923809³ (a number of 40 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11369634921809) 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, 11043414 + ... + 12028975.

It is an arithmetic number, because the mean of its divisors is an integer number (2842414622245).

Almost surely, 2^{11369634923809} is an apocalyptic number.

It is an amenable number.

11369634923809 is a deficient number, since it is larger than the sum of its proper divisors (23565171).

11369634923809 is an equidigital number, since it uses as much as digits as its factorization.

11369634923809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23565170.

The product of its (nonzero) digits is 45349632, while the sum is 64.

The spelling of 11369634923809 in words is "eleven trillion, three hundred sixty-nine billion, six hundred thirty-four million, nine hundred twenty-three thousand, eight hundred nine".