9630726913 has 2 divisors, whose sum is σ = 9630726914. Its totient is φ = 9630726912.

The previous prime is 9630726907. The next prime is 9630726943. The reversal of 9630726913 is 3196270369.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9038875329 + 591851584 = 95073^2 + 24328^2 .

It is an emirp because it is prime and its reverse (3196270369) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9630726913 - 2²⁹ = 9093856001 is a prime.

It is not a weakly prime, because it can be changed into another prime (9630726943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4815363456 + 4815363457.

It is an arithmetic number, because the mean of its divisors is an integer number (4815363457).

Almost surely, 2^9630726913 is an apocalyptic number.

It is an amenable number.

9630726913 is a deficient number, since it is larger than the sum of its proper divisors (1).

9630726913 is an equidigital number, since it uses as much as digits as its factorization.

9630726913 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 367416, while the sum is 46.

The square root of 9630726913 is about 98136.2670626920. The cubic root of 9630726913 is about 2127.5822385283.

The spelling of 9630726913 in words is "nine billion, six hundred thirty million, seven hundred twenty-six thousand, nine hundred thirteen".