9638761616099 has 16 divisors (see below), whose sum is σ = 12017265063936. Its totient is φ = 7510656009600.

The previous prime is 9638761616083. The next prime is 9638761616101. The reversal of 9638761616099 is 9906161678369.

It is a cyclic number.

It is not a de Polignac number, because 9638761616099 - 2⁴ = 9638761616083 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9638761616039) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9174254 + ... + 10170764.

It is an arithmetic number, because the mean of its divisors is an integer number (751079066496).

Almost surely, 2^{9638761616099} is an apocalyptic number.

9638761616099 is a deficient number, since it is larger than the sum of its proper divisors (2378503447837).

9638761616099 is a wasteful number, since it uses less digits than its factorization.

9638761616099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1122146.

The product of its (nonzero) digits is 158723712, while the sum is 71.

The spelling of 9638761616099 in words is "nine trillion, six hundred thirty-eight billion, seven hundred sixty-one million, six hundred sixteen thousand, ninety-nine".