630220688771 has 2 divisors, whose sum is σ = 630220688772. Its totient is φ = 630220688770.

The previous prime is 630220688737. The next prime is 630220688831. The reversal of 630220688771 is 177886022036.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 630220688771 - 2³⁰ = 629146946947 is a prime.

It is not a weakly prime, because it can be changed into another prime (630220688171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 315110344385 + 315110344386.

It is an arithmetic number, because the mean of its divisors is an integer number (315110344386).

Almost surely, 2^630220688771 is an apocalyptic number.

630220688771 is a deficient number, since it is larger than the sum of its proper divisors (1).

630220688771 is an equidigital number, since it uses as much as digits as its factorization.

630220688771 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1354752, while the sum is 50.

The spelling of 630220688771 in words is "six hundred thirty billion, two hundred twenty million, six hundred eighty-eight thousand, seven hundred seventy-one".