1799898531312 has 320 divisors, whose sum is σ = 5804628480000. Its totient is φ = 478928201472.

The previous prime is 1799898531271. The next prime is 1799898531317. The reversal of 1799898531312 is 2131358989971.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1799898531317) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 18407383 + ... + 18504905.

It is an arithmetic number, because the mean of its divisors is an integer number (18139464000).

Almost surely, 2^{1799898531312} is an apocalyptic number.

1799898531312 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 1799898531312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2902314240000).

1799898531312 is an abundant number, since it is smaller than the sum of its proper divisors (4004729948688).

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

1799898531312 is a wasteful number, since it uses less digits than its factorization.

1799898531312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97633 (or 97613 counting only the distinct ones).

The product of its digits is 29393280, while the sum is 66.

The spelling of 1799898531312 in words is "one trillion, seven hundred ninety-nine billion, eight hundred ninety-eight million, five hundred thirty-one thousand, three hundred twelve".