9963958273 has 2 divisors, whose sum is σ = 9963958274. Its totient is φ = 9963958272.

The previous prime is 9963958259. The next prime is 9963958337. The reversal of 9963958273 is 3728593699.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8958243904 + 1005714369 = 94648^2 + 31713^2 .

It is an emirp because it is prime and its reverse (3728593699) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9963958273 - 2⁵ = 9963958241 is a prime.

It is not a weakly prime, because it can be changed into another prime (9963958223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4981979136 + 4981979137.

It is an arithmetic number, because the mean of its divisors is an integer number (4981979137).

Almost surely, 2^9963958273 is an apocalyptic number.

It is an amenable number.

9963958273 is a deficient number, since it is larger than the sum of its proper divisors (1).

9963958273 is an equidigital number, since it uses as much as digits as its factorization.

9963958273 is an evil number, because the sum of its binary digits is even.

The product of its digits is 22044960, while the sum is 61.

The square root of 9963958273 is about 99819.6286959634. The cubic root of 9963958273 is about 2151.8432559773.

The spelling of 9963958273 in words is "nine billion, nine hundred sixty-three million, nine hundred fifty-eight thousand, two hundred seventy-three".