9999933901117 has 2 divisors, whose sum is σ = 9999933901118. Its totient is φ = 9999933901116.

The previous prime is 9999933901091. The next prime is 9999933901129. The reversal of 9999933901117 is 7111093399999.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9088470354681 + 911463546436 = 3014709^2 + 954706^2 .

It is a cyclic number.

It is not a de Polignac number, because 9999933901117 - 2³¹ = 9997786417469 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9999933901147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4999966950558 + 4999966950559.

It is an arithmetic number, because the mean of its divisors is an integer number (4999966950559).

Almost surely, 2^{9999933901117} is an apocalyptic number.

It is an amenable number.

9999933901117 is a deficient number, since it is larger than the sum of its proper divisors (1).

9999933901117 is an equidigital number, since it uses as much as digits as its factorization.

9999933901117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 33480783, while the sum is 70.

The spelling of 9999933901117 in words is "nine trillion, nine hundred ninety-nine billion, nine hundred thirty-three million, nine hundred one thousand, one hundred seventeen".