12893087639439 has 96 divisors (see below), whose sum is σ = 22763945393280. Its totient is φ = 6864059252736.

The previous prime is 12893087639381. The next prime is 12893087639459. The reversal of 12893087639439 is 93493678039821.

12893087639439 is a `hidden beast` number, since 1 + 2 + 8 + 93 + 0 + 8 + 76 + 39 + 439 = 666.

It is not a de Polignac number, because 12893087639439 - 2¹³ = 12893087631247 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12893087639459) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 96388497 + ... + 96522165.

It is an arithmetic number, because the mean of its divisors is an integer number (237124431180).

Almost surely, 2^{12893087639439} is an apocalyptic number.

12893087639439 is a deficient number, since it is larger than the sum of its proper divisors (9870857753841).

12893087639439 is a wasteful number, since it uses less digits than its factorization.

12893087639439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134609 (or 134606 counting only the distinct ones).

The product of its (nonzero) digits is 423263232, while the sum is 72.

The spelling of 12893087639439 in words is "twelve trillion, eight hundred ninety-three billion, eighty-seven million, six hundred thirty-nine thousand, four hundred thirty-nine".