9956226617 has 2 divisors, whose sum is σ = 9956226618. Its totient is φ = 9956226616.

The previous prime is 9956226587. The next prime is 9956226653. The reversal of 9956226617 is 7166226599.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7046595136 + 2909631481 = 83944^2 + 53941^2 .

It is a cyclic number.

It is not a de Polignac number, because 9956226617 - 2¹⁶ = 9956161081 is a prime.

It is not a weakly prime, because it can be changed into another prime (9956228617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4978113308 + 4978113309.

It is an arithmetic number, because the mean of its divisors is an integer number (4978113309).

Almost surely, 2^9956226617 is an apocalyptic number.

It is an amenable number.

9956226617 is a deficient number, since it is larger than the sum of its proper divisors (1).

9956226617 is an equidigital number, since it uses as much as digits as its factorization.

9956226617 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2449440, while the sum is 53.

The square root of 9956226617 is about 99780.8930457129. The cubic root of 9956226617 is about 2151.2865288704.

The spelling of 9956226617 in words is "nine billion, nine hundred fifty-six million, two hundred twenty-six thousand, six hundred seventeen".