13502304434549 has 4 divisors (see below), whose sum is σ = 15431205068064. Its totient is φ = 11573403801036.

The previous prime is 13502304434503. The next prime is 13502304434573. The reversal of 13502304434549 is 94543440320531.

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 13502304434549 - 2¹⁶ = 13502304369013 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 (13502304431549) 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, 964450316747 + ... + 964450316760.

It is an arithmetic number, because the mean of its divisors is an integer number (3857801267016).

Almost surely, 2^{13502304434549} is an apocalyptic number.

It is an amenable number.

13502304434549 is a deficient number, since it is larger than the sum of its proper divisors (1928900633515).

13502304434549 is an equidigital number, since it uses as much as digits as its factorization.

13502304434549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1928900633514.

The product of its (nonzero) digits is 3110400, while the sum is 47.

The spelling of 13502304434549 in words is "thirteen trillion, five hundred two billion, three hundred four million, four hundred thirty-four thousand, five hundred forty-nine".