214560681481 has 8 divisors (see below), whose sum is σ = 225598005000. Its totient is φ = 203765936640.

The previous prime is 214560681451. The next prime is 214560681521. The reversal of 214560681481 is 184186065412.

It can be written as a sum of positive squares in 4 ways, for example, as 13960604025 + 200600077456 = 118155^2 + 447884^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 214560681481 - 2⁹ = 214560680969 is a prime.

It is a super-2 number, since 2×214560681481² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (214560681431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60642856 + ... + 60646393.

It is an arithmetic number, because the mean of its divisors is an integer number (28199750625).

Almost surely, 2^214560681481 is an apocalyptic number.

It is an amenable number.

214560681481 is a deficient number, since it is larger than the sum of its proper divisors (11037323519).

214560681481 is a wasteful number, since it uses less digits than its factorization.

214560681481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121289339.

The product of its (nonzero) digits is 368640, while the sum is 46.

The spelling of 214560681481 in words is "two hundred fourteen billion, five hundred sixty million, six hundred eighty-one thousand, four hundred eighty-one".