214872738752381 has 2 divisors, whose sum is σ = 214872738752382. Its totient is φ = 214872738752380.

The previous prime is 214872738752341. The next prime is 214872738752407. The reversal of 214872738752381 is 183257837278412.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 213319637077156 + 1553101675225 = 14605466^2 + 1246235^2 .

It is a cyclic number.

It is not a de Polignac number, because 214872738752381 - 2⁶ = 214872738752317 is a prime.

It is a super-2 number, since 2×214872738752381² (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 (214872738752341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107436369376190 + 107436369376191.

It is an arithmetic number, because the mean of its divisors is an integer number (107436369376191).

Almost surely, 2^{214872738752381} is an apocalyptic number.

It is an amenable number.

214872738752381 is a deficient number, since it is larger than the sum of its proper divisors (1).

214872738752381 is an equidigital number, since it uses as much as digits as its factorization.

214872738752381 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 252887040, while the sum is 68.

The spelling of 214872738752381 in words is "two hundred fourteen trillion, eight hundred seventy-two billion, seven hundred thirty-eight million, seven hundred fifty-two thousand, three hundred eighty-one".