1965326769824 has 96 divisors (see below), whose sum is σ = 4324859904960. Its totient is φ = 871355750400.

The previous prime is 1965326769773. The next prime is 1965326769827. The reversal of 1965326769824 is 4289676235691.

It is not an unprimeable number, because it can be changed into a prime (1965326769827) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84689807 + ... + 84713009.

It is an arithmetic number, because the mean of its divisors is an integer number (45050624010).

Almost surely, 2^{1965326769824} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1965326769824, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2162429952480).

1965326769824 is an abundant number, since it is smaller than the sum of its proper divisors (2359533135136).

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

1965326769824 is a wasteful number, since it uses less digits than its factorization.

1965326769824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29134 (or 29126 counting only the distinct ones).

The product of its digits is 235146240, while the sum is 68.

The spelling of 1965326769824 in words is "one trillion, nine hundred sixty-five billion, three hundred twenty-six million, seven hundred sixty-nine thousand, eight hundred twenty-four".