11676636249 has 4 divisors (see below), whose sum is σ = 15568848336. Its totient is φ = 7784424164.

The previous prime is 11676636247. The next prime is 11676636253. The reversal of 11676636249 is 94263667611.

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: 94263667611 = 3 ⋅31421222537.

It is a cyclic number.

It is not a de Polignac number, because 11676636249 - 2¹ = 11676636247 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11676636247) 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, 1946106039 + ... + 1946106044.

It is an arithmetic number, because the mean of its divisors is an integer number (3892212084).

Almost surely, 2^11676636249 is an apocalyptic number.

It is an amenable number.

11676636249 is a deficient number, since it is larger than the sum of its proper divisors (3892212087).

11676636249 is an equidigital number, since it uses as much as digits as its factorization.

11676636249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3892212086.

The product of its digits is 1959552, while the sum is 51.

The spelling of 11676636249 in words is "eleven billion, six hundred seventy-six million, six hundred thirty-six thousand, two hundred forty-nine".