12453446400463 has 4 divisors (see below), whose sum is σ = 12453843962560. Its totient is φ = 12453048838368.

The previous prime is 12453446400433. The next prime is 12453446400487. The reversal of 12453446400463 is 36400464435421.

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 12453446400463 - 2¹⁷ = 12453446269391 is a prime.

It is a super-2 number, since 2×12453446400463² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12453446400433) 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, 198734058 + ... + 198796711.

It is an arithmetic number, because the mean of its divisors is an integer number (3113460990640).

Almost surely, 2^{12453446400463} is an apocalyptic number.

12453446400463 is a deficient number, since it is larger than the sum of its proper divisors (397562097).

12453446400463 is an equidigital number, since it uses as much as digits as its factorization.

12453446400463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397562096.

The product of its (nonzero) digits is 3317760, while the sum is 46.

The spelling of 12453446400463 in words is "twelve trillion, four hundred fifty-three billion, four hundred forty-six million, four hundred thousand, four hundred sixty-three".