1316543622442 has 16 divisors (see below), whose sum is σ = 2028460140000. Its totient is φ = 640395002448.

The previous prime is 1316543622409. The next prime is 1316543622461. The reversal of 1316543622442 is 2442263456131.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 631308 + ... + 1741159.

It is an arithmetic number, because the mean of its divisors is an integer number (126778758750).

Almost surely, 2^{1316543622442} is an apocalyptic number.

1316543622442 is a deficient number, since it is larger than the sum of its proper divisors (711916517558).

1316543622442 is a wasteful number, since it uses less digits than its factorization.

1316543622442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2380005.

The product of its digits is 829440, while the sum is 43.

The spelling of 1316543622442 in words is "one trillion, three hundred sixteen billion, five hundred forty-three million, six hundred twenty-two thousand, four hundred forty-two".