300000206361397 has 2 divisors, whose sum is σ = 300000206361398. Its totient is φ = 300000206361396.

The previous prime is 300000206361389. The next prime is 300000206361511. The reversal of 300000206361397 is 793163602000003.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 262514881740721 + 37485324620676 = 16202311^2 + 6122526^2 .

It is a cyclic number.

It is not a de Polignac number, because 300000206361397 - 2³ = 300000206361389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (300000206361307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 150000103180698 + 150000103180699.

It is an arithmetic number, because the mean of its divisors is an integer number (150000103180699).

Almost surely, 2^{300000206361397} is an apocalyptic number.

It is an amenable number.

300000206361397 is a deficient number, since it is larger than the sum of its proper divisors (1).

300000206361397 is an equidigital number, since it uses as much as digits as its factorization.

300000206361397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 122472, while the sum is 40.

The spelling of 300000206361397 in words is "three hundred trillion, two hundred six million, three hundred sixty-one thousand, three hundred ninety-seven".