13216461453 has 48 divisors (see below), whose sum is σ = 21789383616. Its totient is φ = 7647367680.

The previous prime is 13216461443. The next prime is 13216461481. The reversal of 13216461453 is 35416461231.

13216461453 is a `hidden beast` number, since 1 + 3 + 2 + 1 + 646 + 1 + 4 + 5 + 3 = 666.

It is not a de Polignac number, because 13216461453 - 2⁹ = 13216460941 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13216461413) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2565226 + ... + 2570372.

It is an arithmetic number, because the mean of its divisors is an integer number (453945492).

Almost surely, 2^13216461453 is an apocalyptic number.

13216461453 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

13216461453 is a deficient number, since it is larger than the sum of its proper divisors (8572922163).

13216461453 is a wasteful number, since it uses less digits than its factorization.

13216461453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6474 (or 6471 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The spelling of 13216461453 in words is "thirteen billion, two hundred sixteen million, four hundred sixty-one thousand, four hundred fifty-three".