21610304634141 has 12 divisors (see below), whose sum is σ = 31215005596060. Its totient is φ = 14406813852480.

The previous prime is 21610304634067. The next prime is 21610304634221. The reversal of 21610304634141 is 14143640301612.

21610304634141 is a `hidden beast` number, since 2 + 1 + 6 + 1 + 0 + 3 + 0 + 4 + 634 + 14 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 14351747256900 + 7258557377241 = 3788370^2 + 2694171^2 .

It is not a de Polignac number, because 21610304634141 - 2¹⁵ = 21610304601373 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 21610304634096 and 21610304634105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21610304634241) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2138656 + ... + 6913353.

Almost surely, 2^{21610304634141} is an apocalyptic number.

It is an amenable number.

21610304634141 is a deficient number, since it is larger than the sum of its proper divisors (9604700961919).

21610304634141 is a wasteful number, since it uses less digits than its factorization.

21610304634141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9317276 (or 9317273 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

Adding to 21610304634141 its reverse (14143640301612), we get a palindrome (35753944935753).

The spelling of 21610304634141 in words is "twenty-one trillion, six hundred ten billion, three hundred four million, six hundred thirty-four thousand, one hundred forty-one".