12889276471 has 4 divisors (see below), whose sum is σ = 12889747552. Its totient is φ = 12888805392.

The previous prime is 12889276457. The next prime is 12889276481. The reversal of 12889276471 is 17467298821.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12889276471 - 2⁷ = 12889276343 is a prime.

It is a super-3 number, since 3×12889276471³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12889276481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 191790 + ... + 250123.

It is an arithmetic number, because the mean of its divisors is an integer number (3222436888).

Almost surely, 2^12889276471 is an apocalyptic number.

12889276471 is a deficient number, since it is larger than the sum of its proper divisors (471081).

12889276471 is an equidigital number, since it uses as much as digits as its factorization.

12889276471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471080.

The product of its digits is 2709504, while the sum is 55.

The spelling of 12889276471 in words is "twelve billion, eight hundred eighty-nine million, two hundred seventy-six thousand, four hundred seventy-one".