13411947709 has 4 divisors (see below), whose sum is σ = 13419095004. Its totient is φ = 13404800416.

The previous prime is 13411947707. The next prime is 13411947713. The reversal of 13411947709 is 90774911431.

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 8536836025 + 4875111684 = 92395^2 + 69822^2 .

It is a cyclic number.

It is not a de Polignac number, because 13411947709 - 2¹ = 13411947707 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 (13411947707) 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, 3570832 + ... + 3574585.

It is an arithmetic number, because the mean of its divisors is an integer number (3354773751).

Almost surely, 2^13411947709 is an apocalyptic number.

It is an amenable number.

13411947709 is a deficient number, since it is larger than the sum of its proper divisors (7147295).

13411947709 is an equidigital number, since it uses as much as digits as its factorization.

13411947709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7147294.

The product of its (nonzero) digits is 190512, while the sum is 46.

It can be divided in two parts, 1341194 and 7709, that added together give a triangular number (1348903 = T₁₆₄₂).

The spelling of 13411947709 in words is "thirteen billion, four hundred eleven million, nine hundred forty-seven thousand, seven hundred nine".