648211272130 has 8 divisors (see below), whose sum is σ = 1166780289852. Its totient is φ = 259284508848.

The previous prime is 648211272119. The next prime is 648211272179. The reversal of 648211272130 is 31272112846.

It can be written as a sum of positive squares in 2 ways, for example, as 610118772201 + 38092499929 = 781101^2 + 195173^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 648211272130.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32410563597 + ... + 32410563616.

Almost surely, 2^648211272130 is an apocalyptic number.

648211272130 is a deficient number, since it is larger than the sum of its proper divisors (518569017722).

648211272130 is a wasteful number, since it uses less digits than its factorization.

648211272130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64821127220.

The product of its (nonzero) digits is 32256, while the sum is 37.

Adding to 648211272130 its reverse (31272112846), we get a palindrome (679483384976).

The spelling of 648211272130 in words is "six hundred forty-eight billion, two hundred eleven million, two hundred seventy-two thousand, one hundred thirty".