1968458289342 has 32 divisors (see below), whose sum is σ = 4001614130304. Its totient is φ = 645370687200.

The previous prime is 1968458289331. The next prime is 1968458289433. The reversal of 1968458289342 is 2439828548691.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10672993 + ... + 10855859.

It is an arithmetic number, because the mean of its divisors is an integer number (125050441572).

Almost surely, 2^{1968458289342} is an apocalyptic number.

1968458289342 is an abundant number, since it is smaller than the sum of its proper divisors (2033155840962).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1968458289342 is a wasteful number, since it uses less digits than its factorization.

1968458289342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212344.

The product of its digits is 238878720, while the sum is 69.

The spelling of 1968458289342 in words is "one trillion, nine hundred sixty-eight billion, four hundred fifty-eight million, two hundred eighty-nine thousand, three hundred forty-two".