8363173605420 has 48 divisors (see below), whose sum is σ = 23433069397248. Its totient is φ = 2228638361280.

The previous prime is 8363173605389. The next prime is 8363173605427. The reversal of 8363173605420 is 245063713638.

It is a self number, because there is not a number n which added to its sum of digits gives 8363173605420.

It is not an unprimeable number, because it can be changed into a prime (8363173605427) 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, 48077046 + ... + 48250685.

It is an arithmetic number, because the mean of its divisors is an integer number (488188945776).

Almost surely, 2^{8363173605420} is an apocalyptic number.

It is an amenable number.

8363173605420 is an abundant number, since it is smaller than the sum of its proper divisors (15069895791828).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8363173605420 is a wasteful number, since it uses less digits than its factorization.

8363173605420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96329190 (or 96329188 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 48.

The spelling of 8363173605420 in words is "eight trillion, three hundred sixty-three billion, one hundred seventy-three million, six hundred five thousand, four hundred twenty".