13437078260173 has 4 divisors (see below), whose sum is σ = 13492833771868. Its totient is φ = 13381322748480.

The previous prime is 13437078260147. The next prime is 13437078260201. The reversal of 13437078260173 is 37106287073431.

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 7889795618884 + 5547282641289 = 2808878^2 + 2355267^2 .

It is a cyclic number.

It is not a de Polignac number, because 13437078260173 - 2¹³ = 13437078251981 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13437078260173.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13437078260273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27877755486 + ... + 27877755967.

It is an arithmetic number, because the mean of its divisors is an integer number (3373208442967).

Almost surely, 2^{13437078260173} is an apocalyptic number.

It is an amenable number.

13437078260173 is a deficient number, since it is larger than the sum of its proper divisors (55755511695).

13437078260173 is an equidigital number, since it uses as much as digits as its factorization.

13437078260173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55755511694.

The product of its (nonzero) digits is 3556224, while the sum is 52.

The spelling of 13437078260173 in words is "thirteen trillion, four hundred thirty-seven billion, seventy-eight million, two hundred sixty thousand, one hundred seventy-three".