12870519438 has 24 divisors (see below), whose sum is σ = 29943658152. Its totient is φ = 3677291184.

The previous prime is 12870519437. The next prime is 12870519491. The reversal of 12870519438 is 83491507821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12870519437) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21888345 + ... + 21888932.

It is an arithmetic number, because the mean of its divisors is an integer number (1247652423).

Almost surely, 2^12870519438 is an apocalyptic number.

12870519438 is an abundant number, since it is smaller than the sum of its proper divisors (17073138714).

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

12870519438 is a wasteful number, since it uses less digits than its factorization.

12870519438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43777296 (or 43777289 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 48.

The spelling of 12870519438 in words is "twelve billion, eight hundred seventy million, five hundred nineteen thousand, four hundred thirty-eight".