13454640163 has 4 divisors (see below), whose sum is σ = 13455480960. Its totient is φ = 13453799368.

The previous prime is 13454640109. The next prime is 13454640167. The reversal of 13454640163 is 36104645431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36104645431 = 43 ⋅839642917.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13454640163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13454640167) 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, 395920 + ... + 428557.

It is an arithmetic number, because the mean of its divisors is an integer number (3363870240).

Almost surely, 2^13454640163 is an apocalyptic number.

13454640163 is a deficient number, since it is larger than the sum of its proper divisors (840797).

13454640163 is an equidigital number, since it uses as much as digits as its factorization.

13454640163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 840796.

The product of its (nonzero) digits is 103680, while the sum is 37.

The spelling of 13454640163 in words is "thirteen billion, four hundred fifty-four million, six hundred forty thousand, one hundred sixty-three".