13430355133549 has 4 divisors (see below), whose sum is σ = 13793337704764. Its totient is φ = 13067372562336.

The previous prime is 13430355133487. The next prime is 13430355133619. The reversal of 13430355133549 is 94533155303431.

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

It can be written as a sum of positive squares in 2 ways, for example, as 7419669344649 + 6010685788900 = 2723907^2 + 2451670^2 .

It is a cyclic number.

It is not a de Polignac number, because 13430355133549 - 2³⁹ = 12880599319661 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 (13430355233549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 181491285552 + ... + 181491285625.

It is an arithmetic number, because the mean of its divisors is an integer number (3448334426191).

Almost surely, 2^{13430355133549} is an apocalyptic number.

It is an amenable number.

13430355133549 is a deficient number, since it is larger than the sum of its proper divisors (362982571215).

13430355133549 is an equidigital number, since it uses as much as digits as its factorization.

13430355133549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362982571214.

The product of its (nonzero) digits is 4374000, while the sum is 49.

The spelling of 13430355133549 in words is "thirteen trillion, four hundred thirty billion, three hundred fifty-five million, one hundred thirty-three thousand, five hundred forty-nine".