197340588758893 has 2 divisors, whose sum is σ = 197340588758894. Its totient is φ = 197340588758892.

The previous prime is 197340588758783. The next prime is 197340588758923. The reversal of 197340588758893 is 398857885043791.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 124358115650409 + 72982473108484 = 11151597^2 + 8542978^2 .

It is a cyclic number.

It is not a de Polignac number, because 197340588758893 - 2⁹ = 197340588758381 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 197340588758893.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (197340588738893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98670294379446 + 98670294379447.

It is an arithmetic number, because the mean of its divisors is an integer number (98670294379447).

Almost surely, 2^{197340588758893} is an apocalyptic number.

It is an amenable number.

197340588758893 is a deficient number, since it is larger than the sum of its proper divisors (1).

197340588758893 is an equidigital number, since it uses as much as digits as its factorization.

197340588758893 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14631321600, while the sum is 85.

The spelling of 197340588758893 in words is "one hundred ninety-seven trillion, three hundred forty billion, five hundred eighty-eight million, seven hundred fifty-eight thousand, eight hundred ninety-three".