12427254719 has 4 divisors (see below), whose sum is σ = 13557005160. Its totient is φ = 11297504280.

The previous prime is 12427254709. The next prime is 12427254727. The reversal of 12427254719 is 91745272421.

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 12427254719 - 2²⁴ = 12410477503 is a prime.

It is a super-2 number, since 2×12427254719² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12427254719.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12427254709) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 564875204 + ... + 564875225.

It is an arithmetic number, because the mean of its divisors is an integer number (3389251290).

Almost surely, 2^12427254719 is an apocalyptic number.

12427254719 is a deficient number, since it is larger than the sum of its proper divisors (1129750441).

12427254719 is a wasteful number, since it uses less digits than its factorization.

12427254719 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1129750440.

The product of its digits is 282240, while the sum is 44.

The spelling of 12427254719 in words is "twelve billion, four hundred twenty-seven million, two hundred fifty-four thousand, seven hundred nineteen".