630205331353 has 4 divisors (see below), whose sum is σ = 678682664548. Its totient is φ = 581727998160.

The previous prime is 630205331341. The next prime is 630205331359. The reversal of 630205331353 is 353133502036.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 394424193024 + 235781138329 = 628032^2 + 485573^2 .

It is a cyclic number.

It is not a de Polignac number, because 630205331353 - 2¹⁷ = 630205200281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (630205331359) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24238666578 + ... + 24238666603.

It is an arithmetic number, because the mean of its divisors is an integer number (169670666137).

Almost surely, 2^630205331353 is an apocalyptic number.

It is an amenable number.

630205331353 is a deficient number, since it is larger than the sum of its proper divisors (48477333195).

630205331353 is a wasteful number, since it uses less digits than its factorization.

630205331353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48477333194.

The product of its (nonzero) digits is 72900, while the sum is 34.

Adding to 630205331353 its reverse (353133502036), we get a palindrome (983338833389).

The spelling of 630205331353 in words is "six hundred thirty billion, two hundred five million, three hundred thirty-one thousand, three hundred fifty-three".