12653673505 has 8 divisors (see below), whose sum is σ = 16564809024. Its totient is φ = 9202671600.

The previous prime is 12653673499. The next prime is 12653673541. The reversal of 12653673505 is 50537635621.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12653673505 - 2²⁷ = 12519455777 is a prime.

It is a super-2 number, since 2×12653673505² (a number of 21 digits) contains 22 as substring.

It is a Duffinian 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, 115033341 + ... + 115033450.

It is an arithmetic number, because the mean of its divisors is an integer number (2070601128).

Almost surely, 2^12653673505 is an apocalyptic number.

It is an amenable number.

12653673505 is a deficient number, since it is larger than the sum of its proper divisors (3911135519).

12653673505 is a wasteful number, since it uses less digits than its factorization.

12653673505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230066807.

The product of its (nonzero) digits is 567000, while the sum is 43.

The spelling of 12653673505 in words is "twelve billion, six hundred fifty-three million, six hundred seventy-three thousand, five hundred five".