197214384643 has 2 divisors, whose sum is σ = 197214384644. Its totient is φ = 197214384642.

The previous prime is 197214384617. The next prime is 197214384767. The reversal of 197214384643 is 346483412791.

It is a happy number.

197214384643 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 197214384643 - 2²¹ = 197212287491 is a prime.

It is a super-3 number, since 3×197214384643³ (a number of 35 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (197214384613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98607192321 + 98607192322.

It is an arithmetic number, because the mean of its divisors is an integer number (98607192322).

Almost surely, 2^197214384643 is an apocalyptic number.

197214384643 is a deficient number, since it is larger than the sum of its proper divisors (1).

197214384643 is an equidigital number, since it uses as much as digits as its factorization.

197214384643 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3483648, while the sum is 52.

The spelling of 197214384643 in words is "one hundred ninety-seven billion, two hundred fourteen million, three hundred eighty-four thousand, six hundred forty-three".