12642732471 has 8 divisors (see below), whose sum is σ = 16890491520. Its totient is φ = 8411730872.

The previous prime is 12642732451. The next prime is 12642732493. The reversal of 12642732471 is 17423724621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12642732471 - 2⁷ = 12642732343 is a prime.

It is a super-3 number, since 3×12642732471³ (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12642732451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4187601 + ... + 4190618.

It is an arithmetic number, because the mean of its divisors is an integer number (2111311440).

Almost surely, 2^12642732471 is an apocalyptic number.

12642732471 is a deficient number, since it is larger than the sum of its proper divisors (4247759049).

12642732471 is an equidigital number, since it uses as much as digits as its factorization.

12642732471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8378725.

The product of its digits is 112896, while the sum is 39.

The spelling of 12642732471 in words is "twelve billion, six hundred forty-two million, seven hundred thirty-two thousand, four hundred seventy-one".