12655463453 has 4 divisors (see below), whose sum is σ = 12655688448. Its totient is φ = 12655238460.

The previous prime is 12655463419. The next prime is 12655463473. The reversal of 12655463453 is 35436455621.

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, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 35436455621 = 7 ⋅5062350803.

It is a cyclic number.

It is not a de Polignac number, because 12655463453 - 2⁶ = 12655463389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12655463473) 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, 55748 + ... + 168578.

It is an arithmetic number, because the mean of its divisors is an integer number (3163922112).

Almost surely, 2^12655463453 is an apocalyptic number.

It is an amenable number.

12655463453 is a deficient number, since it is larger than the sum of its proper divisors (224995).

12655463453 is a wasteful number, since it uses less digits than its factorization.

12655463453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224994.

The product of its digits is 1296000, while the sum is 44.

The spelling of 12655463453 in words is "twelve billion, six hundred fifty-five million, four hundred sixty-three thousand, four hundred fifty-three".