100200597989 has 2 divisors, whose sum is σ = 100200597990. Its totient is φ = 100200597988.

The previous prime is 100200597979. The next prime is 100200598033. The reversal of 100200597989 is 989795002001.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 99829457764 + 371140225 = 315958^2 + 19265^2 .

It is a cyclic number.

It is not a de Polignac number, because 100200597989 - 2²⁰ = 100199549413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100200597949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50100298994 + 50100298995.

It is an arithmetic number, because the mean of its divisors is an integer number (50100298995).

Almost surely, 2^100200597989 is an apocalyptic number.

It is an amenable number.

100200597989 is a deficient number, since it is larger than the sum of its proper divisors (1).

100200597989 is an equidigital number, since it uses as much as digits as its factorization.

100200597989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 408240, while the sum is 50.

The spelling of 100200597989 in words is "one hundred billion, two hundred million, five hundred ninety-seven thousand, nine hundred eighty-nine".