13861233668 has 6 divisors (see below), whose sum is σ = 24257158926. Its totient is φ = 6930616832.

The previous prime is 13861233667. The next prime is 13861233677. The reversal of 13861233668 is 86633216831.

It can be written as a sum of positive squares in only one way, i.e., 12662550784 + 1198682884 = 112528^2 + 34622^2 .

It is not an unprimeable number, because it can be changed into a prime (13861233667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1732654205 + ... + 1732654212.

It is an arithmetic number, because the mean of its divisors is an integer number (4042859821).

Almost surely, 2^13861233668 is an apocalyptic number.

It is an amenable number.

13861233668 is a deficient number, since it is larger than the sum of its proper divisors (10395925258).

13861233668 is a wasteful number, since it uses less digits than its factorization.

13861233668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3465308421 (or 3465308419 counting only the distinct ones).

The product of its digits is 746496, while the sum is 47.

The spelling of 13861233668 in words is "thirteen billion, eight hundred sixty-one million, two hundred thirty-three thousand, six hundred sixty-eight".