1968594328434 has 64 divisors (see below), whose sum is σ = 4207945927680. Its totient is φ = 612626794560.

The previous prime is 1968594328429. The next prime is 1968594328451. The reversal of 1968594328434 is 4348234958691.

It is a super-2 number, since 2×1968594328434² (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 31 ways as a sum of consecutive naturals, for example, 31149 + ... + 1984479.

It is an arithmetic number, because the mean of its divisors is an integer number (65749155120).

Almost surely, 2^{1968594328434} is an apocalyptic number.

1968594328434 is an abundant number, since it is smaller than the sum of its proper divisors (2239351599246).

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

1968594328434 is a wasteful number, since it uses less digits than its factorization.

1968594328434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1953535.

The product of its digits is 179159040, while the sum is 66.

The spelling of 1968594328434 in words is "one trillion, nine hundred sixty-eight billion, five hundred ninety-four million, three hundred twenty-eight thousand, four hundred thirty-four".