214044237561 has 24 divisors (see below), whose sum is σ = 358509360832. Its totient is φ = 111191810400.

The previous prime is 214044237523. The next prime is 214044237661. The reversal of 214044237561 is 165732440412.

It is not a de Polignac number, because 214044237561 - 2⁹ = 214044237049 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (214044237521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 42115570 + ... + 42120651.

Almost surely, 2^214044237561 is an apocalyptic number.

214044237561 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

214044237561 is a deficient number, since it is larger than the sum of its proper divisors (144465123271).

214044237561 is a wasteful number, since it uses less digits than its factorization.

214044237561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84236253 (or 84236242 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 39.

Adding to 214044237561 its reverse (165732440412), we get a palindrome (379776677973).

The spelling of 214044237561 in words is "two hundred fourteen billion, forty-four million, two hundred thirty-seven thousand, five hundred sixty-one".