1982343745984 has 168 divisors, whose sum is σ = 4738708470240. Its totient is φ = 819419940864.

The previous prime is 1982343745979. The next prime is 1982343746003. The reversal of 1982343745984 is 4895473432891.

It is a super-2 number, since 2×1982343745984² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 90660237 + ... + 90682099.

Almost surely, 2^{1982343745984} is an apocalyptic number.

1982343745984 is a gapful number since it is divisible by the number (14) 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 1982343745984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2369354235120).

1982343745984 is an abundant number, since it is smaller than the sum of its proper divisors (2756364724256).

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

1982343745984 is a wasteful number, since it uses less digits than its factorization.

1982343745984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22915 (or 22898 counting only the distinct ones).

The product of its digits is 209018880, while the sum is 67.

The spelling of 1982343745984 in words is "one trillion, nine hundred eighty-two billion, three hundred forty-three million, seven hundred forty-five thousand, nine hundred eighty-four".