9317216578642 has 16 divisors (see below), whose sum is σ = 16523142701760. Its totient is φ = 3855399963408.

The previous prime is 9317216578639. The next prime is 9317216578643. The reversal of 9317216578642 is 2468756127139.

It is not an unprimeable number, because it can be changed into a prime (9317216578643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11474404248 + ... + 11474405059.

It is an arithmetic number, because the mean of its divisors is an integer number (1032696418860).

Almost surely, 2^{9317216578642} is an apocalyptic number.

9317216578642 is a deficient number, since it is larger than the sum of its proper divisors (7205926123118).

9317216578642 is a wasteful number, since it uses less digits than its factorization.

9317216578642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22948809345.

The product of its digits is 30481920, while the sum is 61.

The spelling of 9317216578642 in words is "nine trillion, three hundred seventeen billion, two hundred sixteen million, five hundred seventy-eight thousand, six hundred forty-two".