214549476181 has 16 divisors (see below), whose sum is σ = 216343479744. Its totient is φ = 212763792384.

The previous prime is 214549476179. The next prime is 214549476199. The reversal of 214549476181 is 181674945412.

It is a happy number.

214549476181 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 214549476181 - 2¹ = 214549476179 is a prime.

It is a super-2 number, since 2×214549476181² (a number of 23 digits) contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214549476121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 144671866 + ... + 144673348.

It is an arithmetic number, because the mean of its divisors is an integer number (13521467484).

Almost surely, 2^214549476181 is an apocalyptic number.

It is an amenable number.

214549476181 is a deficient number, since it is larger than the sum of its proper divisors (1794003563).

214549476181 is a wasteful number, since it uses less digits than its factorization.

214549476181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3540.

The product of its digits is 1935360, while the sum is 52.

The spelling of 214549476181 in words is "two hundred fourteen billion, five hundred forty-nine million, four hundred seventy-six thousand, one hundred eighty-one".