9917292653 has 2 divisors, whose sum is σ = 9917292654. Its totient is φ = 9917292652.

The previous prime is 9917292647. The next prime is 9917292673. The reversal of 9917292653 is 3562927199.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9697719529 + 219573124 = 98477^2 + 14818^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9917292653 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9917292595 and 9917292604.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9917292613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4958646326 + 4958646327.

It is an arithmetic number, because the mean of its divisors is an integer number (4958646327).

Almost surely, 2^9917292653 is an apocalyptic number.

It is an amenable number.

9917292653 is a deficient number, since it is larger than the sum of its proper divisors (1).

9917292653 is an equidigital number, since it uses as much as digits as its factorization.

9917292653 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1837080, while the sum is 53.

The square root of 9917292653 is about 99585.6046474590. The cubic root of 9917292653 is about 2148.4786535445.

The spelling of 9917292653 in words is "nine billion, nine hundred seventeen million, two hundred ninety-two thousand, six hundred fifty-three".