11929698289 has 4 divisors (see below), whose sum is σ = 11953606000. Its totient is φ = 11905790580.

The previous prime is 11929698247. The next prime is 11929698293. The reversal of 11929698289 is 98289692911.

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: 98289692911 = 5347 ⋅18382213.

It is a cyclic number.

It is not a de Polignac number, because 11929698289 - 2⁷ = 11929698161 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11929698289.

It is not an unprimeable number, because it can be changed into a prime (11929698229) 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, 11953107 + ... + 11954104.

It is an arithmetic number, because the mean of its divisors is an integer number (2988401500).

Almost surely, 2^11929698289 is an apocalyptic number.

It is an amenable number.

11929698289 is a deficient number, since it is larger than the sum of its proper divisors (23907711).

11929698289 is an equidigital number, since it uses as much as digits as its factorization.

11929698289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23907710.

The product of its digits is 10077696, while the sum is 64.

The spelling of 11929698289 in words is "eleven billion, nine hundred twenty-nine million, six hundred ninety-eight thousand, two hundred eighty-nine".