12889339799747 has 2 divisors, whose sum is σ = 12889339799748. Its totient is φ = 12889339799746.

The previous prime is 12889339799741. The next prime is 12889339799803. The reversal of 12889339799747 is 74799793398821.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12889339799747 - 2²⁰ = 12889338751171 is a prime.

It is a super-2 number, since 2×12889339799747² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12889339799741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6444669899873 + 6444669899874.

It is an arithmetic number, because the mean of its divisors is an integer number (6444669899874).

Almost surely, 2^{12889339799747} is an apocalyptic number.

12889339799747 is a deficient number, since it is larger than the sum of its proper divisors (1).

12889339799747 is an equidigital number, since it uses as much as digits as its factorization.

12889339799747 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10369949184, while the sum is 86.

The spelling of 12889339799747 in words is "twelve trillion, eight hundred eighty-nine billion, three hundred thirty-nine million, seven hundred ninety-nine thousand, seven hundred forty-seven".