1630676629 has 2 divisors, whose sum is σ = 1630676630. Its totient is φ = 1630676628.

The previous prime is 1630676623. The next prime is 1630676639. The reversal of 1630676629 is 9266760361.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1292043025 + 338633604 = 35945^2 + 18402^2 .

It is a cyclic number.

It is not a de Polignac number, because 1630676629 - 2¹¹ = 1630674581 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1630676623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 815338314 + 815338315.

It is an arithmetic number, because the mean of its divisors is an integer number (815338315).

Almost surely, 2^1630676629 is an apocalyptic number.

It is an amenable number.

1630676629 is a deficient number, since it is larger than the sum of its proper divisors (1).

1630676629 is an equidigital number, since it uses as much as digits as its factorization.

1630676629 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 489888, while the sum is 46.

The square root of 1630676629 is about 40381.6372748803. The cubic root of 1630676629 is about 1177.0347430677.

The spelling of 1630676629 in words is "one billion, six hundred thirty million, six hundred seventy-six thousand, six hundred twenty-nine".