630900306679 has 2 divisors, whose sum is σ = 630900306680. Its totient is φ = 630900306678.

The previous prime is 630900306677. The next prime is 630900306731. The reversal of 630900306679 is 976603009036.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 630900306679 - 2¹ = 630900306677 is a prime.

Together with 630900306677, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (630900306671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 315450153339 + 315450153340.

It is an arithmetic number, because the mean of its divisors is an integer number (315450153340).

Almost surely, 2^630900306679 is an apocalyptic number.

630900306679 is a deficient number, since it is larger than the sum of its proper divisors (1).

630900306679 is an equidigital number, since it uses as much as digits as its factorization.

630900306679 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1102248, while the sum is 49.

The spelling of 630900306679 in words is "six hundred thirty billion, nine hundred million, three hundred six thousand, six hundred seventy-nine".