1896289018512 has 120 divisors (see below), whose sum is σ = 5701367651616. Its totient is φ = 541528210944.

The previous prime is 1896289018499. The next prime is 1896289018517. The reversal of 1896289018512 is 2158109826981.

It is not an unprimeable number, because it can be changed into a prime (1896289018517) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4568628 + ... + 4966380.

Almost surely, 2^{1896289018512} is an apocalyptic number.

1896289018512 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 1896289018512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2850683825808).

1896289018512 is an abundant number, since it is smaller than the sum of its proper divisors (3805078633104).

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

1896289018512 is a wasteful number, since it uses less digits than its factorization.

1896289018512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399805 (or 399792 counting only the distinct ones).

The product of its (nonzero) digits is 4976640, while the sum is 60.

The spelling of 1896289018512 in words is "one trillion, eight hundred ninety-six billion, two hundred eighty-nine million, eighteen thousand, five hundred twelve".