214043994692543 has 2 divisors, whose sum is σ = 214043994692544. Its totient is φ = 214043994692542.

The previous prime is 214043994692527. The next prime is 214043994692599. The reversal of 214043994692543 is 345296499340412.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 214043994692543 - 2⁴ = 214043994692527 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 214043994692543.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (214043994662543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107021997346271 + 107021997346272.

It is an arithmetic number, because the mean of its divisors is an integer number (107021997346272).

Almost surely, 2^{214043994692543} is an apocalyptic number.

214043994692543 is a deficient number, since it is larger than the sum of its proper divisors (1).

214043994692543 is an equidigital number, since it uses as much as digits as its factorization.

214043994692543 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 201553920, while the sum is 65.

The spelling of 214043994692543 in words is "two hundred fourteen trillion, forty-three billion, nine hundred ninety-four million, six hundred ninety-two thousand, five hundred forty-three".