12238544653 has 8 divisors (see below), whose sum is σ = 12634626560. Its totient is φ = 11842543440.

The previous prime is 12238544627. The next prime is 12238544677. The reversal of 12238544653 is 35644583221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12238544653 - 2⁵ = 12238544621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12238544623) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 507751 + ... + 531307.

It is an arithmetic number, because the mean of its divisors is an integer number (1579328320).

Almost surely, 2^12238544653 is an apocalyptic number.

It is an amenable number.

12238544653 is a deficient number, since it is larger than the sum of its proper divisors (396081907).

12238544653 is a wasteful number, since it uses less digits than its factorization.

12238544653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40347.

The product of its digits is 691200, while the sum is 43.

The spelling of 12238544653 in words is "twelve billion, two hundred thirty-eight million, five hundred forty-four thousand, six hundred fifty-three".