12653373361 has 4 divisors (see below), whose sum is σ = 13319340400. Its totient is φ = 11987406324.

The previous prime is 12653373353. The next prime is 12653373367. The reversal of 12653373361 is 16337335621.

It is a happy number.

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 not a de Polignac number, because 12653373361 - 2³ = 12653373353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12653373367) 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, 332983491 + ... + 332983528.

It is an arithmetic number, because the mean of its divisors is an integer number (3329835100).

Almost surely, 2^12653373361 is an apocalyptic number.

It is an amenable number.

12653373361 is a deficient number, since it is larger than the sum of its proper divisors (665967039).

12653373361 is an equidigital number, since it uses as much as digits as its factorization.

12653373361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 665967038.

The product of its digits is 204120, while the sum is 40.

The spelling of 12653373361 in words is "twelve billion, six hundred fifty-three million, three hundred seventy-three thousand, three hundred sixty-one".