630523525325009 has 2 divisors, whose sum is σ = 630523525325010. Its totient is φ = 630523525325008.

The previous prime is 630523525324993. The next prime is 630523525325047. The reversal of 630523525325009 is 900523525325036.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 618213672393409 + 12309852931600 = 24863903^2 + 3508540^2 .

It is a cyclic number.

It is not a de Polignac number, because 630523525325009 - 2⁴ = 630523525324993 is a prime.

It is not a weakly prime, because it can be changed into another prime (630523525925009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 315261762662504 + 315261762662505.

It is an arithmetic number, because the mean of its divisors is an integer number (315261762662505).

Almost surely, 2^{630523525325009} is an apocalyptic number.

It is an amenable number.

630523525325009 is a deficient number, since it is larger than the sum of its proper divisors (1).

630523525325009 is an equidigital number, since it uses as much as digits as its factorization.

630523525325009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7290000, while the sum is 50.

The spelling of 630523525325009 in words is "six hundred thirty trillion, five hundred twenty-three billion, five hundred twenty-five million, three hundred twenty-five thousand, nine".