648235360130 has 16 divisors (see below), whose sum is σ = 1166851230264. Its totient is φ = 259288014720.

The previous prime is 648235360109. The next prime is 648235360151. The reversal of 648235360130 is 31063532846.

It is an interprime number because it is at equal distance from previous prime (648235360109) and next prime (648235360151).

It can be written as a sum of positive squares in 4 ways, for example, as 547491965329 + 100743394801 = 739927^2 + 317401^2 .

It is a Curzon number.

It is an unprimeable number.

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, 308987 + ... + 1179806.

Almost surely, 2^648235360130 is an apocalyptic number.

648235360130 is a deficient number, since it is larger than the sum of its proper divisors (518615870134).

648235360130 is a wasteful number, since it uses less digits than its factorization.

648235360130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1532341.

The product of its (nonzero) digits is 311040, while the sum is 41.

Adding to 648235360130 its reverse (31063532846), we get a palindrome (679298892976).

The spelling of 648235360130 in words is "six hundred forty-eight billion, two hundred thirty-five million, three hundred sixty thousand, one hundred thirty".