1347643055518 has 4 divisors (see below), whose sum is σ = 2021464583280. Its totient is φ = 673821527758.

The previous prime is 1347643055509. The next prime is 1347643055533. The reversal of 1347643055518 is 8155503467431.

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

It is a super-2 number, since 2×1347643055518² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336910763878 + ... + 336910763881.

It is an arithmetic number, because the mean of its divisors is an integer number (505366145820).

Almost surely, 2^{1347643055518} is an apocalyptic number.

1347643055518 is a deficient number, since it is larger than the sum of its proper divisors (673821527762).

1347643055518 is an equidigital number, since it uses as much as digits as its factorization.

1347643055518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 673821527761.

The product of its (nonzero) digits is 6048000, while the sum is 52.

The spelling of 1347643055518 in words is "one trillion, three hundred forty-seven billion, six hundred forty-three million, fifty-five thousand, five hundred eighteen".