413561556561 has 16 divisors (see below), whose sum is σ = 562364622720. Its totient is φ = 270243192960.

The previous prime is 413561556559. The next prime is 413561556571. The reversal of 413561556561 is 165655165314.

It is a happy number.

It is not a de Polignac number, because 413561556561 - 2¹ = 413561556559 is a prime.

It is a super-2 number, since 2×413561556561² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 413561556561.

It is not an unprimeable number, because it can be changed into a prime (413561556521) 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, 1097476 + ... + 1425333.

It is an arithmetic number, because the mean of its divisors is an integer number (35147788920).

Almost surely, 2^413561556561 is an apocalyptic number.

It is an amenable number.

413561556561 is a deficient number, since it is larger than the sum of its proper divisors (148803066159).

413561556561 is a wasteful number, since it uses less digits than its factorization.

413561556561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2523896.

The product of its digits is 1620000, while the sum is 48.

The spelling of 413561556561 in words is "four hundred thirteen billion, five hundred sixty-one million, five hundred fifty-six thousand, five hundred sixty-one".