12494554671 has 4 divisors (see below), whose sum is σ = 16659406232. Its totient is φ = 8329703112.

The previous prime is 12494554669. The next prime is 12494554691. The reversal of 12494554671 is 17645549421.

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

It is not a de Polignac number, because 12494554671 - 2¹ = 12494554669 is a prime.

It is a super-2 number, since 2×12494554671² (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 12494554671.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12494554621) 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, 2082425776 + ... + 2082425781.

It is an arithmetic number, because the mean of its divisors is an integer number (4164851558).

Almost surely, 2^12494554671 is an apocalyptic number.

12494554671 is a deficient number, since it is larger than the sum of its proper divisors (4164851561).

12494554671 is an equidigital number, since it uses as much as digits as its factorization.

12494554671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4164851560.

The product of its digits is 1209600, while the sum is 48.

The spelling of 12494554671 in words is "twelve billion, four hundred ninety-four million, five hundred fifty-four thousand, six hundred seventy-one".