1347643055522 has 4 divisors (see below), whose sum is σ = 2021464583286. Its totient is φ = 673821527760.

The previous prime is 1347643055509. The next prime is 1347643055533. The reversal of 1347643055522 is 2255503467431.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 1326134193241 + 21508862281 = 1151579^2 + 146659^2 .

It is a super-2 number, since 2×1347643055522² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336910763879 + ... + 336910763882.

Almost surely, 2^{1347643055522} is an apocalyptic number.

1347643055522 is a deficient number, since it is larger than the sum of its proper divisors (673821527764).

1347643055522 is an equidigital number, since it uses as much as digits as its factorization.

1347643055522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 673821527763.

The product of its (nonzero) digits is 3024000, while the sum is 47.

The spelling of 1347643055522 in words is "one trillion, three hundred forty-seven billion, six hundred forty-three million, fifty-five thousand, five hundred twenty-two".