1728314326992 has 160 divisors (see below), whose sum is σ = 4887297192960. Its totient is φ = 521950556160.

The previous prime is 1728314326967. The next prime is 1728314327017. The reversal of 1728314326992 is 2996234138271.

It is an interprime number because it is at equal distance from previous prime (1728314326967) and next prime (1728314327017).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 200752384 + ... + 200760992.

It is an arithmetic number, because the mean of its divisors is an integer number (30545607456).

Almost surely, 2^{1728314326992} is an apocalyptic number.

1728314326992 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 1728314326992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2443648596480).

1728314326992 is an abundant number, since it is smaller than the sum of its proper divisors (3158982865968).

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

1728314326992 is a wasteful number, since it uses less digits than its factorization.

1728314326992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9881 (or 9875 counting only the distinct ones).

The product of its digits is 7838208, while the sum is 57.

The spelling of 1728314326992 in words is "one trillion, seven hundred twenty-eight billion, three hundred fourteen million, three hundred twenty-six thousand, nine hundred ninety-two".