13373571709 has 4 divisors (see below), whose sum is σ = 13804977280. Its totient is φ = 12942166140.

The previous prime is 13373571707. The next prime is 13373571727. The reversal of 13373571709 is 90717537331.

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 a cyclic number.

It is not a de Polignac number, because 13373571709 - 2¹ = 13373571707 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 (13373571707) 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, 215702739 + ... + 215702800.

It is an arithmetic number, because the mean of its divisors is an integer number (3451244320).

Almost surely, 2^13373571709 is an apocalyptic number.

It is an amenable number.

13373571709 is a deficient number, since it is larger than the sum of its proper divisors (431405571).

13373571709 is an equidigital number, since it uses as much as digits as its factorization.

13373571709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431405570.

The product of its (nonzero) digits is 416745, while the sum is 46.

It can be divided in two parts, 1337357 and 1709, that added together give a triangular number (1339066 = T₁₆₃₆).

The spelling of 13373571709 in words is "thirteen billion, three hundred seventy-three million, five hundred seventy-one thousand, seven hundred nine".