13450535503 has 4 divisors (see below), whose sum is σ = 13634789488. Its totient is φ = 13266281520.

The previous prime is 13450535489. The next prime is 13450535521. The reversal of 13450535503 is 30553505431.

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 13450535503 - 2¹⁷ = 13450404431 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 (13450536503) 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, 92126883 + ... + 92127028.

It is an arithmetic number, because the mean of its divisors is an integer number (3408697372).

Almost surely, 2^13450535503 is an apocalyptic number.

13450535503 is a deficient number, since it is larger than the sum of its proper divisors (184253985).

13450535503 is an equidigital number, since it uses as much as digits as its factorization.

13450535503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184253984.

The product of its (nonzero) digits is 67500, while the sum is 34.

The spelling of 13450535503 in words is "thirteen billion, four hundred fifty million, five hundred thirty-five thousand, five hundred three".