12954816385 has 8 divisors (see below), whose sum is σ = 17766605376. Its totient is φ = 8883302640.

The previous prime is 12954816373. The next prime is 12954816389. The reversal of 12954816385 is 58361845921.

It is a happy number.

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

It is not a de Polignac number, because 12954816385 - 2⁹ = 12954815873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12954816389) 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, 185068771 + ... + 185068840.

It is an arithmetic number, because the mean of its divisors is an integer number (2220825672).

Almost surely, 2^12954816385 is an apocalyptic number.

It is an amenable number.

12954816385 is a deficient number, since it is larger than the sum of its proper divisors (4811788991).

12954816385 is an equidigital number, since it uses as much as digits as its factorization.

12954816385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370137623.

The product of its digits is 2073600, while the sum is 52.

The spelling of 12954816385 in words is "twelve billion, nine hundred fifty-four million, eight hundred sixteen thousand, three hundred eighty-five".