214543546645 has 16 divisors (see below), whose sum is σ = 257874651648. Its totient is φ = 171353407680.

The previous prime is 214543546643. The next prime is 214543546661. The reversal of 214543546645 is 546645345412.

It is not a de Polignac number, because 214543546645 - 2¹ = 214543546643 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214543546643) 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, 12666172 + ... + 12683098.

It is an arithmetic number, because the mean of its divisors is an integer number (16117165728).

Almost surely, 2^214543546645 is an apocalyptic number.

It is an amenable number.

214543546645 is a deficient number, since it is larger than the sum of its proper divisors (43331105003).

214543546645 is a wasteful number, since it uses less digits than its factorization.

214543546645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20940.

The product of its digits is 6912000, while the sum is 49.

The spelling of 214543546645 in words is "two hundred fourteen billion, five hundred forty-three million, five hundred forty-six thousand, six hundred forty-five".