9917038651703 has 2 divisors, whose sum is σ = 9917038651704. Its totient is φ = 9917038651702.

The previous prime is 9917038651591. The next prime is 9917038651717. The reversal of 9917038651703 is 3071568307199.

9917038651703 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9917038651703 - 2¹⁰ = 9917038650679 is a prime.

It is a super-2 number, since 2×9917038651703² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9917038650703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4958519325851 + 4958519325852.

It is an arithmetic number, because the mean of its divisors is an integer number (4958519325852).

Almost surely, 2^{9917038651703} is an apocalyptic number.

9917038651703 is a deficient number, since it is larger than the sum of its proper divisors (1).

9917038651703 is an equidigital number, since it uses as much as digits as its factorization.

9917038651703 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8573040, while the sum is 59.

The spelling of 9917038651703 in words is "nine trillion, nine hundred seventeen billion, thirty-eight million, six hundred fifty-one thousand, seven hundred three".