2005981583814 has 48 divisors (see below), whose sum is σ = 4683638467872. Its totient is φ = 616827550464.

The previous prime is 2005981583803. The next prime is 2005981583839. The reversal of 2005981583814 is 4183851895002.

2005981583814 is a `hidden beast` number, since 2 + 0 + 0 + 59 + 8 + 1 + 583 + 8 + 1 + 4 = 666.

It is a super-2 number, since 2×2005981583814² (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, 2396602 + ... + 3123405.

It is an arithmetic number, because the mean of its divisors is an integer number (97575801414).

Almost surely, 2^{2005981583814} is an apocalyptic number.

2005981583814 is an abundant number, since it is smaller than the sum of its proper divisors (2677656884058).

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

2005981583814 is a wasteful number, since it uses less digits than its factorization.

2005981583814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5521581 (or 5521578 counting only the distinct ones).

The product of its (nonzero) digits is 2764800, while the sum is 54.

The spelling of 2005981583814 in words is "two trillion, five billion, nine hundred eighty-one million, five hundred eighty-three thousand, eight hundred fourteen".