12394685870 has 32 divisors (see below), whose sum is σ = 26186770368. Its totient is φ = 4134751488.

The previous prime is 12394685867. The next prime is 12394685917. The reversal of 12394685870 is 7858649321.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2390207 + ... + 2395386.

It is an arithmetic number, because the mean of its divisors is an integer number (818336574).

It is a 1-persistent number, because it is pandigital, but 2⋅12394685870 = 24789371740 is not.

Almost surely, 2^12394685870 is an apocalyptic number.

12394685870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12394685870 is an abundant number, since it is smaller than the sum of its proper divisors (13792084498).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12394685870 is a wasteful number, since it uses less digits than its factorization.

12394685870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4785644.

The product of its (nonzero) digits is 2903040, while the sum is 53.

The spelling of 12394685870 in words is "twelve billion, three hundred ninety-four million, six hundred eighty-five thousand, eight hundred seventy".