1000200019397 has 2 divisors, whose sum is σ = 1000200019398. Its totient is φ = 1000200019396.

The previous prime is 1000200019373. The next prime is 1000200019411. The reversal of 1000200019397 is 7939100020001.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 985431450721 + 14768568676 = 992689^2 + 121526^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1000200019397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1000200019997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500100009698 + 500100009699.

It is an arithmetic number, because the mean of its divisors is an integer number (500100009699).

Almost surely, 2^{1000200019397} is an apocalyptic number.

It is an amenable number.

1000200019397 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000200019397 is an equidigital number, since it uses as much as digits as its factorization.

1000200019397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3402, while the sum is 32.

Adding to 1000200019397 its reverse (7939100020001), we get a palindrome (8939300039398).

The spelling of 1000200019397 in words is "one trillion, two hundred million, nineteen thousand, three hundred ninety-seven".