4486523861 has 2 divisors, whose sum is σ = 4486523862. Its totient is φ = 4486523860.

The previous prime is 4486523779. The next prime is 4486523891. The reversal of 4486523861 is 1683256844.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2559752836 + 1926771025 = 50594^2 + 43895^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4486523861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4486523891) 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, 2243261930 + 2243261931.

It is an arithmetic number, because the mean of its divisors is an integer number (2243261931).

Almost surely, 2^4486523861 is an apocalyptic number.

It is an amenable number.

4486523861 is a deficient number, since it is larger than the sum of its proper divisors (1).

4486523861 is an equidigital number, since it uses as much as digits as its factorization.

4486523861 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1105920, while the sum is 47.

The square root of 4486523861 is about 66981.5188018307. The cubic root of 4486523861 is about 1649.3139309953.

The spelling of 4486523861 in words is "four billion, four hundred eighty-six million, five hundred twenty-three thousand, eight hundred sixty-one".