205299151433 has 4 divisors (see below), whose sum is σ = 205300257300. Its totient is φ = 205298045568.

The previous prime is 205299151429. The next prime is 205299151451. The reversal of 205299151433 is 334151992502.

205299151433 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 110787791104 + 94511360329 = 332848^2 + 307427^2 .

It is a cyclic number.

It is not a de Polignac number, because 205299151433 - 2² = 205299151429 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (205299151423) 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 in 3 ways as a sum of consecutive naturals, for example, 198908 + ... + 670941.

It is an arithmetic number, because the mean of its divisors is an integer number (51325064325).

Almost surely, 2^205299151433 is an apocalyptic number.

It is an amenable number.

205299151433 is a deficient number, since it is larger than the sum of its proper divisors (1105867).

205299151433 is an equidigital number, since it uses as much as digits as its factorization.

205299151433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1105866.

The product of its (nonzero) digits is 291600, while the sum is 44.

The spelling of 205299151433 in words is "two hundred five billion, two hundred ninety-nine million, one hundred fifty-one thousand, four hundred thirty-three".