214021505130581 has 2 divisors, whose sum is σ = 214021505130582. Its totient is φ = 214021505130580.

The previous prime is 214021505130577. The next prime is 214021505130607. The reversal of 214021505130581 is 185031505120412.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 113404054949956 + 100617450180625 = 10649134^2 + 10030825^2 .

It is a cyclic number.

It is not a de Polignac number, because 214021505130581 - 2² = 214021505130577 is a prime.

It is a super-2 number, since 2×214021505130581² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (214021505120581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107010752565290 + 107010752565291.

It is an arithmetic number, because the mean of its divisors is an integer number (107010752565291).

Almost surely, 2^{214021505130581} is an apocalyptic number.

It is an amenable number.

214021505130581 is a deficient number, since it is larger than the sum of its proper divisors (1).

214021505130581 is an equidigital number, since it uses as much as digits as its factorization.

214021505130581 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48000, while the sum is 38.

The spelling of 214021505130581 in words is "two hundred fourteen trillion, twenty-one billion, five hundred five million, one hundred thirty thousand, five hundred eighty-one".