12677735645 has 8 divisors (see below), whose sum is σ = 15440347104. Its totient is φ = 9990812304.

The previous prime is 12677735633. The next prime is 12677735711. The reversal of 12677735645 is 54653777621.

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 12677735645 - 2²⁰ = 12676687069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18921659 + ... + 18922328.

It is an arithmetic number, because the mean of its divisors is an integer number (1930043388).

Almost surely, 2^12677735645 is an apocalyptic number.

It is an amenable number.

12677735645 is a deficient number, since it is larger than the sum of its proper divisors (2762611459).

12677735645 is an equidigital number, since it uses as much as digits as its factorization.

12677735645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37844059.

The product of its digits is 7408800, while the sum is 53.

The spelling of 12677735645 in words is "twelve billion, six hundred seventy-seven million, seven hundred thirty-five thousand, six hundred forty-five".