205330015620453 has 8 divisors (see below), whose sum is σ = 275929049863168. Its totient is φ = 135808829229024.

The previous prime is 205330015620451. The next prime is 205330015620593. The reversal of 205330015620453 is 354026510033502.

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

It is not a de Polignac number, because 205330015620453 - 2¹ = 205330015620451 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205330015620451) 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, 269461962376 + ... + 269461963137.

It is an arithmetic number, because the mean of its divisors is an integer number (34491131232896).

Almost surely, 2^{205330015620453} is an apocalyptic number.

It is an amenable number.

205330015620453 is a deficient number, since it is larger than the sum of its proper divisors (70599034242715).

205330015620453 is a wasteful number, since it uses less digits than its factorization.

205330015620453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 538923925643.

The product of its (nonzero) digits is 324000, while the sum is 39.

Adding to 205330015620453 its reverse (354026510033502), we get a palindrome (559356525653955).

The spelling of 205330015620453 in words is "two hundred five trillion, three hundred thirty billion, fifteen million, six hundred twenty thousand, four hundred fifty-three".