13454533443 has 64 divisors (see below), whose sum is σ = 20364244992. Its totient is φ = 7845465600.

The previous prime is 13454533427. The next prime is 13454533447. The reversal of 13454533443 is 34433545431.

It is not a de Polignac number, because 13454533443 - 2⁴ = 13454533427 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (13454533447) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 19192993 + ... + 19193693.

It is an arithmetic number, because the mean of its divisors is an integer number (318191328).

Almost surely, 2^13454533443 is an apocalyptic number.

13454533443 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

13454533443 is a deficient number, since it is larger than the sum of its proper divisors (6909711549).

13454533443 is a wasteful number, since it uses less digits than its factorization.

13454533443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1084.

The product of its digits is 518400, while the sum is 39.

The spelling of 13454533443 in words is "thirteen billion, four hundred fifty-four million, five hundred thirty-three thousand, four hundred forty-three".