4084448861 has 2 divisors, whose sum is σ = 4084448862. Its totient is φ = 4084448860.

The previous prime is 4084448839. The next prime is 4084448881. The reversal of 4084448861 is 1688444804.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3513525625 + 570923236 = 59275^2 + 23894^2 .

It is a cyclic number.

It is not a de Polignac number, because 4084448861 - 2¹⁴ = 4084432477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4084448801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2042224430 + 2042224431.

It is an arithmetic number, because the mean of its divisors is an integer number (2042224431).

Almost surely, 2^4084448861 is an apocalyptic number.

It is an amenable number.

4084448861 is a deficient number, since it is larger than the sum of its proper divisors (1).

4084448861 is an equidigital number, since it uses as much as digits as its factorization.

4084448861 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 786432, while the sum is 47.

The square root of 4084448861 is about 63909.6930128756. The cubic root of 4084448861 is about 1598.4945293608.

The spelling of 4084448861 in words is "four billion, eighty-four million, four hundred forty-eight thousand, eight hundred sixty-one".