2051327811384 has 96 divisors (see below), whose sum is σ = 5661452815200. Its totient is φ = 670762010880.

The previous prime is 2051327811383. The next prime is 2051327811457. The reversal of 2051327811384 is 4831187231502.

2051327811384 is a `hidden beast` number, since 2 + 0 + 513 + 27 + 81 + 1 + 38 + 4 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2051327811383) 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, 24460677 + ... + 24544395.

It is an arithmetic number, because the mean of its divisors is an integer number (58973466825).

Almost surely, 2^{2051327811384} is an apocalyptic number.

2051327811384 is a gapful number since it is divisible by the number (24) 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 2051327811384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2830726407600).

2051327811384 is an abundant number, since it is smaller than the sum of its proper divisors (3610125003816).

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

2051327811384 is a wasteful number, since it uses less digits than its factorization.

2051327811384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90205 (or 90198 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The spelling of 2051327811384 in words is "two trillion, fifty-one billion, three hundred twenty-seven million, eight hundred eleven thousand, three hundred eighty-four".