4084897081 has 2 divisors, whose sum is σ = 4084897082. Its totient is φ = 4084897080.

The previous prime is 4084897057. The next prime is 4084897087. The reversal of 4084897081 is 1807984804.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2821734400 + 1263162681 = 53120^2 + 35541^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4084897081 is a prime.

It is a super-2 number, since 2×4084897081² = 33372768324724641122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4084897087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2042448540 + 2042448541.

It is an arithmetic number, because the mean of its divisors is an integer number (2042448541).

Almost surely, 2^4084897081 is an apocalyptic number.

It is an amenable number.

4084897081 is a deficient number, since it is larger than the sum of its proper divisors (1).

4084897081 is an equidigital number, since it uses as much as digits as its factorization.

4084897081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 516096, while the sum is 49.

The square root of 4084897081 is about 63913.1995834976. The cubic root of 4084897081 is about 1598.5529991843.

The spelling of 4084897081 in words is "four billion, eighty-four million, eight hundred ninety-seven thousand, eighty-one".