12674662641 has 12 divisors (see below), whose sum is σ = 18373002180. Its totient is φ = 8419703040.

The previous prime is 12674662639. The next prime is 12674662667. The reversal of 12674662641 is 14626647621.

12674662641 is a `hidden beast` number, since 12 + 6 + 7 + 4 + 6 + 626 + 4 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 7237075041 + 5437587600 = 85071^2 + 73740^2 .

It is not a de Polignac number, because 12674662641 - 2¹ = 12674662639 is a prime.

It is a super-2 number, since 2×12674662641² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12674662841) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2503336 + ... + 2508393.

It is an arithmetic number, because the mean of its divisors is an integer number (1531083515).

Almost surely, 2^12674662641 is an apocalyptic number.

It is an amenable number.

12674662641 is a deficient number, since it is larger than the sum of its proper divisors (5698339539).

12674662641 is a wasteful number, since it uses less digits than its factorization.

12674662641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5012016 (or 5012013 counting only the distinct ones).

The product of its digits is 580608, while the sum is 45.

The spelling of 12674662641 in words is "twelve billion, six hundred seventy-four million, six hundred sixty-two thousand, six hundred forty-one".