200198654749 has 2 divisors, whose sum is σ = 200198654750. Its totient is φ = 200198654748.

The previous prime is 200198654731. The next prime is 200198654753. The reversal of 200198654749 is 947456891002.

200198654749 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 167859825849 + 32338828900 = 409707^2 + 179830^2 .

It is a cyclic number.

It is not a de Polignac number, because 200198654749 - 2⁵ = 200198654717 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 200198654749.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200198654759) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100099327374 + 100099327375.

It is an arithmetic number, because the mean of its divisors is an integer number (100099327375).

Almost surely, 2^200198654749 is an apocalyptic number.

It is an amenable number.

200198654749 is a deficient number, since it is larger than the sum of its proper divisors (1).

200198654749 is an equidigital number, since it uses as much as digits as its factorization.

200198654749 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4354560, while the sum is 55.

It can be divided in two parts, 20019 and 8654749, that added together give a palindrome (8674768).

The spelling of 200198654749 in words is "two hundred billion, one hundred ninety-eight million, six hundred fifty-four thousand, seven hundred forty-nine".