1361322331642 has 16 divisors (see below), whose sum is σ = 2513210458752. Its totient is φ = 538545098160.

The previous prime is 1361322331639. The next prime is 1361322331651. The reversal of 1361322331642 is 2461332231631.

It is a happy number.

It is a super-2 number, since 2×1361322331642² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3739896334 + ... + 3739896697.

It is an arithmetic number, because the mean of its divisors is an integer number (157075653672).

Almost surely, 2^{1361322331642} is an apocalyptic number.

1361322331642 is a deficient number, since it is larger than the sum of its proper divisors (1151888127110).

1361322331642 is a wasteful number, since it uses less digits than its factorization.

1361322331642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7479793053.

The product of its digits is 93312, while the sum is 37.

The spelling of 1361322331642 in words is "one trillion, three hundred sixty-one billion, three hundred twenty-two million, three hundred thirty-one thousand, six hundred forty-two".