3561559597863 has 6 divisors (see below), whose sum is σ = 5144474974704. Its totient is φ = 2374373065236.

The previous prime is 3561559597859. The next prime is 3561559597931. The reversal of 3561559597863 is 3687959551653.

3561559597863 is a `hidden beast` number, since 3 + 5 + 6 + 1 + 559 + 5 + 9 + 7 + 8 + 63 = 666.

It is not a de Polignac number, because 3561559597863 - 2² = 3561559597859 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3561559597791 and 3561559597800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3561559599863) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 197864422095 + ... + 197864422112.

It is an arithmetic number, because the mean of its divisors is an integer number (857412495784).

Almost surely, 2^{3561559597863} is an apocalyptic number.

3561559597863 is a deficient number, since it is larger than the sum of its proper divisors (1582915376841).

3561559597863 is a wasteful number, since it uses less digits than its factorization.

3561559597863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395728844213 (or 395728844210 counting only the distinct ones).

The product of its digits is 918540000, while the sum is 72.

The spelling of 3561559597863 in words is "three trillion, five hundred sixty-one billion, five hundred fifty-nine million, five hundred ninety-seven thousand, eight hundred sixty-three".