4084046521 has 2 divisors, whose sum is σ = 4084046522. Its totient is φ = 4084046520.

The previous prime is 4084046471. The next prime is 4084046537. The reversal of 4084046521 is 1256404804.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3576040000 + 508006521 = 59800^2 + 22539^2 .

It is a cyclic number.

It is not a de Polignac number, because 4084046521 - 2¹⁵ = 4084013753 is a prime.

It is not a weakly prime, because it can be changed into another prime (4084046321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2042023260 + 2042023261.

It is an arithmetic number, because the mean of its divisors is an integer number (2042023261).

Almost surely, 2^4084046521 is an apocalyptic number.

It is an amenable number.

4084046521 is a deficient number, since it is larger than the sum of its proper divisors (1).

4084046521 is an equidigital number, since it uses as much as digits as its factorization.

4084046521 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30720, while the sum is 34.

The square root of 4084046521 is about 63906.5452125211. The cubic root of 4084046521 is about 1598.4420408914.

The spelling of 4084046521 in words is "four billion, eighty-four million, forty-six thousand, five hundred twenty-one".