4635853861 has 2 divisors, whose sum is σ = 4635853862. Its totient is φ = 4635853860.

The previous prime is 4635853853. The next prime is 4635853897. The reversal of 4635853861 is 1683585364.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3430444900 + 1205408961 = 58570^2 + 34719^2 .

It is a cyclic number.

It is not a de Polignac number, because 4635853861 - 2³ = 4635853853 is a prime.

It is a super-2 number, since 2×4635853861² = 42982282041097214642, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4635850861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2317926930 + 2317926931.

It is an arithmetic number, because the mean of its divisors is an integer number (2317926931).

Almost surely, 2^4635853861 is an apocalyptic number.

It is an amenable number.

4635853861 is a deficient number, since it is larger than the sum of its proper divisors (1).

4635853861 is an equidigital number, since it uses as much as digits as its factorization.

4635853861 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2073600, while the sum is 49.

The square root of 4635853861 is about 68087.1049538751. The cubic root of 4635853861 is about 1667.4132399582.

The spelling of 4635853861 in words is "four billion, six hundred thirty-five million, eight hundred fifty-three thousand, eight hundred sixty-one".