13414450503 has 4 divisors (see below), whose sum is σ = 17885934008. Its totient is φ = 8942967000.

The previous prime is 13414450499. The next prime is 13414450513. The reversal of 13414450503 is 30505441431.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 13414450503 - 2² = 13414450499 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 (13414450513) 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, 2235741748 + ... + 2235741753.

It is an arithmetic number, because the mean of its divisors is an integer number (4471483502).

Almost surely, 2^13414450503 is an apocalyptic number.

13414450503 is a deficient number, since it is larger than the sum of its proper divisors (4471483505).

13414450503 is an equidigital number, since it uses as much as digits as its factorization.

13414450503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4471483504.

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 13414450503 its reverse (30505441431), we get a palindrome (43919891934).

The spelling of 13414450503 in words is "thirteen billion, four hundred fourteen million, four hundred fifty thousand, five hundred three".