205153200433 has 8 divisors (see below), whose sum is σ = 206556273000. Its totient is φ = 203750477568.

The previous prime is 205153200409. The next prime is 205153200443. The reversal of 205153200433 is 334002351502.

It can be written as a sum of positive squares in 4 ways, for example, as 39090430369 + 166062770064 = 197713^2 + 407508^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 205153200433 - 2¹⁷ = 205153069361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (205153200443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1149463 + ... + 1315891.

It is an arithmetic number, because the mean of its divisors is an integer number (25819534125).

Almost surely, 2^205153200433 is an apocalyptic number.

It is an amenable number.

205153200433 is a deficient number, since it is larger than the sum of its proper divisors (1403072567).

205153200433 is a wasteful number, since it uses less digits than its factorization.

205153200433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174851.

The product of its (nonzero) digits is 10800, while the sum is 28.

Adding to 205153200433 its reverse (334002351502), we get a palindrome (539155551935).

The spelling of 205153200433 in words is "two hundred five billion, one hundred fifty-three million, two hundred thousand, four hundred thirty-three".