202002000199897 has 2 divisors, whose sum is σ = 202002000199898. Its totient is φ = 202002000199896.

The previous prime is 202002000199877. The next prime is 202002000200041. The reversal of 202002000199897 is 798991000200202.

202002000199897 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 129366420132096 + 72635580067801 = 11373936^2 + 8522651^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-202002000199897 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 202002000199897.

It is not a weakly prime, because it can be changed into another prime (202002000199807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101001000099948 + 101001000099949.

It is an arithmetic number, because the mean of its divisors is an integer number (101001000099949).

Almost surely, 2^{202002000199897} is an apocalyptic number.

It is an amenable number.

202002000199897 is a deficient number, since it is larger than the sum of its proper divisors (1).

202002000199897 is an equidigital number, since it uses as much as digits as its factorization.

202002000199897 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 326592, while the sum is 49.

The spelling of 202002000199897 in words is "two hundred two trillion, two billion, one hundred ninety-nine thousand, eight hundred ninety-seven".