197020039399 has 2 divisors, whose sum is σ = 197020039400. Its totient is φ = 197020039398.

The previous prime is 197020039397. The next prime is 197020039439. The reversal of 197020039399 is 993930020791.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 197020039399 - 2¹ = 197020039397 is a prime.

Together with 197020039397, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (197020039397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98510019699 + 98510019700.

It is an arithmetic number, because the mean of its divisors is an integer number (98510019700).

Almost surely, 2^197020039399 is an apocalyptic number.

197020039399 is a deficient number, since it is larger than the sum of its proper divisors (1).

197020039399 is an equidigital number, since it uses as much as digits as its factorization.

197020039399 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 826686, while the sum is 52.

The spelling of 197020039399 in words is "one hundred ninety-seven billion, twenty million, thirty-nine thousand, three hundred ninety-nine".