4636111889 has 2 divisors, whose sum is σ = 4636111890. Its totient is φ = 4636111888.

The previous prime is 4636111873. The next prime is 4636111903. The reversal of 4636111889 is 9881116364.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4599145489 + 36966400 = 67817^2 + 6080^2 .

It is a cyclic number.

It is not a de Polignac number, because 4636111889 - 2⁴ = 4636111873 is a prime.

It is not a weakly prime, because it can be changed into another prime (4636111829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2318055944 + 2318055945.

It is an arithmetic number, because the mean of its divisors is an integer number (2318055945).

Almost surely, 2^4636111889 is an apocalyptic number.

It is an amenable number.

4636111889 is a deficient number, since it is larger than the sum of its proper divisors (1).

4636111889 is an equidigital number, since it uses as much as digits as its factorization.

4636111889 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 248832, while the sum is 47.

The square root of 4636111889 is about 68088.9997650134. Note that the first 3 decimals coincide. The cubic root of 4636111889 is about 1667.4441750232. Note that the first 3 decimals are identical.

The spelling of 4636111889 in words is "four billion, six hundred thirty-six million, one hundred eleven thousand, eight hundred eighty-nine".