13436670743 has 4 divisors (see below), whose sum is σ = 14143863960. Its totient is φ = 12729477528.

The previous prime is 13436670727. The next prime is 13436670761. The reversal of 13436670743 is 34707663431.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 13436670743 - 2⁴ = 13436670727 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13436670694 and 13436670703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13436670773) 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, 353596580 + ... + 353596617.

It is an arithmetic number, because the mean of its divisors is an integer number (3535965990).

Almost surely, 2^13436670743 is an apocalyptic number.

13436670743 is a deficient number, since it is larger than the sum of its proper divisors (707193217).

13436670743 is an equidigital number, since it uses as much as digits as its factorization.

13436670743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 707193216.

The product of its (nonzero) digits is 762048, while the sum is 44.

The spelling of 13436670743 in words is "thirteen billion, four hundred thirty-six million, six hundred seventy thousand, seven hundred forty-three".