8463617340561 has 24 divisors (see below), whose sum is σ = 12230893715040. Its totient is φ = 5639795768256.

The previous prime is 8463617340517. The next prime is 8463617340593. The reversal of 8463617340561 is 1650437163648.

8463617340561 is a `hidden beast` number, since 8 + 4 + 6 + 3 + 6 + 1 + 73 + 4 + 0 + 561 = 666.

It is not a de Polignac number, because 8463617340561 - 2⁹ = 8463617340049 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8463617340498 and 8463617340507.

It is not an unprimeable number, because it can be changed into a prime (8463617340961) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 290362390 + ... + 290391536.

It is an arithmetic number, because the mean of its divisors is an integer number (509620571460).

Almost surely, 2^{8463617340561} is an apocalyptic number.

It is an amenable number.

8463617340561 is a deficient number, since it is larger than the sum of its proper divisors (3767276374479).

8463617340561 is a wasteful number, since it uses less digits than its factorization.

8463617340561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43005 (or 43002 counting only the distinct ones).

The product of its (nonzero) digits is 8709120, while the sum is 54.

The spelling of 8463617340561 in words is "eight trillion, four hundred sixty-three billion, six hundred seventeen million, three hundred forty thousand, five hundred sixty-one".