13498517469 has 4 divisors (see below), whose sum is σ = 17998023296. Its totient is φ = 8999011644.

The previous prime is 13498517443. The next prime is 13498517479. The reversal of 13498517469 is 96471589431.

It is a happy number.

13498517469 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 13498517469 - 2⁸ = 13498517213 is a prime.

It is a super-2 number, since 2×13498517469² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13498517419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2249752909 + ... + 2249752914.

It is an arithmetic number, because the mean of its divisors is an integer number (4499505824).

Almost surely, 2^13498517469 is an apocalyptic number.

It is an amenable number.

13498517469 is a deficient number, since it is larger than the sum of its proper divisors (4499505827).

13498517469 is an equidigital number, since it uses as much as digits as its factorization.

13498517469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4499505826.

The product of its digits is 6531840, while the sum is 57.

The spelling of 13498517469 in words is "thirteen billion, four hundred ninety-eight million, five hundred seventeen thousand, four hundred sixty-nine".