12554028673 has 4 divisors (see below), whose sum is σ = 12766808880. Its totient is φ = 12341248468.

The previous prime is 12554028647. The next prime is 12554028719. The reversal of 12554028673 is 37682045521.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12554028673 is a prime.

It is a super-2 number, since 2×12554028673² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12554028623) 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, 106390015 + ... + 106390132.

It is an arithmetic number, because the mean of its divisors is an integer number (3191702220).

Almost surely, 2^12554028673 is an apocalyptic number.

It is an amenable number.

12554028673 is a deficient number, since it is larger than the sum of its proper divisors (212780207).

12554028673 is an equidigital number, since it uses as much as digits as its factorization.

12554028673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212780206.

The product of its (nonzero) digits is 403200, while the sum is 43.

The spelling of 12554028673 in words is "twelve billion, five hundred fifty-four million, twenty-eight thousand, six hundred seventy-three".