5214565681 has 16 divisors (see below), whose sum is σ = 5890590720. Its totient is φ = 4580009280.

The previous prime is 5214565639. The next prime is 5214565691. The reversal of 5214565681 is 1865654125.

It is a cyclic number.

It is not a de Polignac number, because 5214565681 - 2¹¹ = 5214563633 is a prime.

It is a super-2 number, since 2×5214565681² = 54383390482925987522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5214565621) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11455 + ... + 102763.

It is an arithmetic number, because the mean of its divisors is an integer number (368161920).

Almost surely, 2^5214565681 is an apocalyptic number.

It is an amenable number.

5214565681 is a deficient number, since it is larger than the sum of its proper divisors (676025039).

5214565681 is a wasteful number, since it uses less digits than its factorization.

5214565681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91536.

The product of its digits is 288000, while the sum is 43.

The square root of 5214565681 is about 72211.9497105569. The cubic root of 5214565681 is about 1734.0943132430.

The spelling of 5214565681 in words is "five billion, two hundred fourteen million, five hundred sixty-five thousand, six hundred eighty-one".