4204882437561 has 27 divisors (see below), whose sum is σ = 6576992490159. Its totient is φ = 2587570747632.

The previous prime is 4204882437559. The next prime is 4204882437583. The reversal of 4204882437561 is 1657342884024.

The square root of 4204882437561 is 2050581.

It is a perfect power (a square), and thus also a powerful number.

4204882437561 is a `hidden beast` number, since 4 + 2 + 0 + 48 + 8 + 2 + 4 + 37 + 561 = 666.

It can be written as a sum of positive squares in only one way, i.e., 622024029225 + 3582858408336 = 788685^2 + 1892844^2 .

It is not a de Polignac number, because 4204882437561 - 2¹ = 4204882437559 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4204882437498 and 4204882437507.

It is not an unprimeable number, because it can be changed into a prime (4204882437541) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 79946370 + ... + 79998948.

Almost surely, 2^{4204882437561} is an apocalyptic number.

4204882437561 is the 2050581-st square number.

4204882437561 is the 1025291-st centered octagonal number.

It is an amenable number.

4204882437561 is a deficient number, since it is larger than the sum of its proper divisors (2372110052598).

4204882437561 is an frugal number, since it uses more digits than its factorization.

4204882437561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105190 (or 52595 counting only the distinct ones).

The product of its (nonzero) digits is 10321920, while the sum is 54.

The spelling of 4204882437561 in words is "four trillion, two hundred four billion, eight hundred eighty-two million, four hundred thirty-seven thousand, five hundred sixty-one".