12465453550663 has 4 divisors (see below), whose sum is σ = 12517610260320. Its totient is φ = 12413296841008.

The previous prime is 12465453550651. The next prime is 12465453550717. The reversal of 12465453550663 is 36605535456421.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12465453550663 - 2²⁹ = 12464916679751 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 (12465453550603) 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, 26078354470 + ... + 26078354947.

It is an arithmetic number, because the mean of its divisors is an integer number (3129402565080).

Almost surely, 2^{12465453550663} is an apocalyptic number.

12465453550663 is a deficient number, since it is larger than the sum of its proper divisors (52156709657).

12465453550663 is an equidigital number, since it uses as much as digits as its factorization.

12465453550663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52156709656.

The product of its (nonzero) digits is 38880000, while the sum is 55.

The spelling of 12465453550663 in words is "twelve trillion, four hundred sixty-five billion, four hundred fifty-three million, five hundred fifty thousand, six hundred sixty-three".