1963745674212 has 96 divisors (see below), whose sum is σ = 5409979531264. Its totient is φ = 542529187200.

The previous prime is 1963745674199. The next prime is 1963745674217. The reversal of 1963745674212 is 2124765473691.

It is not an unprimeable number, because it can be changed into a prime (1963745674217) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 2899218 + ... + 3511830.

Almost surely, 2^{1963745674212} is an apocalyptic number.

1963745674212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1963745674212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2704989765632).

1963745674212 is an abundant number, since it is smaller than the sum of its proper divisors (3446233857052).

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

1963745674212 is a wasteful number, since it uses less digits than its factorization.

1963745674212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 613889 (or 613887 counting only the distinct ones).

The product of its digits is 15240960, while the sum is 57.

The spelling of 1963745674212 in words is "one trillion, nine hundred sixty-three billion, seven hundred forty-five million, six hundred seventy-four thousand, two hundred twelve".