11888929669 has 4 divisors (see below), whose sum is σ = 11889283680. Its totient is φ = 11888575660.

The previous prime is 11888929621. The next prime is 11888929673. The reversal of 11888929669 is 96692988811.

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.

It is a cyclic number.

It is not a de Polignac number, because 11888929669 - 2¹¹ = 11888927621 is a prime.

It is a super-2 number, since 2×11888929669² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11888929469) 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, 120649 + ... + 195790.

It is an arithmetic number, because the mean of its divisors is an integer number (2972320920).

Almost surely, 2^11888929669 is an apocalyptic number.

It is an amenable number.

11888929669 is a deficient number, since it is larger than the sum of its proper divisors (354011).

11888929669 is an equidigital number, since it uses as much as digits as its factorization.

11888929669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354010.

The product of its digits is 26873856, while the sum is 67.

The spelling of 11888929669 in words is "eleven billion, eight hundred eighty-eight million, nine hundred twenty-nine thousand, six hundred sixty-nine".