430340505561 has 8 divisors (see below), whose sum is σ = 637541489760. Its totient is φ = 286893670356.

The previous prime is 430340505527. The next prime is 430340505577. The reversal of 430340505561 is 165505043034.

430340505561 is a `hidden beast` number, since 4 + 3 + 0 + 3 + 40 + 50 + 5 + 561 = 666.

It is not a de Polignac number, because 430340505561 - 2³⁴ = 413160636377 is a prime.

It is not an unprimeable number, because it can be changed into a prime (430340505961) 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, 7969268595 + ... + 7969268648.

It is an arithmetic number, because the mean of its divisors is an integer number (79692686220).

Almost surely, 2^430340505561 is an apocalyptic number.

It is an amenable number.

430340505561 is a deficient number, since it is larger than the sum of its proper divisors (207200984199).

430340505561 is a wasteful number, since it uses less digits than its factorization.

430340505561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15938537252 (or 15938537246 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 36.

Adding to 430340505561 its reverse (165505043034), we get a palindrome (595845548595).

The spelling of 430340505561 in words is "four hundred thirty billion, three hundred forty million, five hundred five thousand, five hundred sixty-one".