1630470210205 has 8 divisors (see below), whose sum is σ = 2071656267192. Its totient is φ = 1227648158208.

The previous prime is 1630470210139. The next prime is 1630470210209. The reversal of 1630470210205 is 5020120740361.

It can be written as a sum of positive squares in 4 ways, for example, as 923570972676 + 706899237529 = 961026^2 + 840773^2 .

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 1630470210205 - 2¹³ = 1630470202013 is a prime.

It is a super-2 number, since 2×1630470210205² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1630470210209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9591001152 + ... + 9591001321.

It is an arithmetic number, because the mean of its divisors is an integer number (258957033399).

Almost surely, 2^{1630470210205} is an apocalyptic number.

It is an amenable number.

1630470210205 is a deficient number, since it is larger than the sum of its proper divisors (441186056987).

1630470210205 is a wasteful number, since it uses less digits than its factorization.

1630470210205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19182002495.

The product of its (nonzero) digits is 10080, while the sum is 31.

Adding to 1630470210205 its reverse (5020120740361), we get a palindrome (6650590950566).

The spelling of 1630470210205 in words is "one trillion, six hundred thirty billion, four hundred seventy million, two hundred ten thousand, two hundred five".