2054327527681 has 64 divisors (see below), whose sum is σ = 2496591901440. Its totient is φ = 1665258255360.

The previous prime is 2054327527661. The next prime is 2054327527709. The reversal of 2054327527681 is 1867257234502.

It is a cyclic number.

It is not a de Polignac number, because 2054327527681 - 2³⁵ = 2019967789313 is a prime.

It is a super-2 number, since 2×2054327527681² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2054327527661) 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, 467208975 + ... + 467213371.

It is an arithmetic number, because the mean of its divisors is an integer number (39009248460).

Almost surely, 2^{2054327527681} is an apocalyptic number.

It is an amenable number.

2054327527681 is a deficient number, since it is larger than the sum of its proper divisors (442264373759).

2054327527681 is a wasteful number, since it uses less digits than its factorization.

2054327527681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5074.

The product of its (nonzero) digits is 5644800, while the sum is 52.

The spelling of 2054327527681 in words is "two trillion, fifty-four billion, three hundred twenty-seven million, five hundred twenty-seven thousand, six hundred eighty-one".