12954117653 has 8 divisors (see below), whose sum is σ = 13373521920. Its totient is φ = 12534809040.

The previous prime is 12954117647. The next prime is 12954117721. The reversal of 12954117653 is 35671145921.

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 12954117653 - 2⁴ = 12954117637 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12954117853) 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, 338951 + ... + 375227.

It is an arithmetic number, because the mean of its divisors is an integer number (1671690240).

Almost surely, 2^12954117653 is an apocalyptic number.

It is an amenable number.

12954117653 is a deficient number, since it is larger than the sum of its proper divisors (419404267).

12954117653 is a wasteful number, since it uses less digits than its factorization.

12954117653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47827.

The product of its digits is 226800, while the sum is 44.

The spelling of 12954117653 in words is "twelve billion, nine hundred fifty-four million, one hundred seventeen thousand, six hundred fifty-three".