4618819949 has 2 divisors, whose sum is σ = 4618819950. Its totient is φ = 4618819948.

The previous prime is 4618819943. The next prime is 4618819963. The reversal of 4618819949 is 9499188164.

4618819949 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2402764324 + 2216055625 = 49018^2 + 47075^2 .

It is a cyclic number.

It is not a de Polignac number, because 4618819949 - 2¹² = 4618815853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4618819943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2309409974 + 2309409975.

It is an arithmetic number, because the mean of its divisors is an integer number (2309409975).

Almost surely, 2^4618819949 is an apocalyptic number.

It is an amenable number.

4618819949 is a deficient number, since it is larger than the sum of its proper divisors (1).

4618819949 is an equidigital number, since it uses as much as digits as its factorization.

4618819949 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4478976, while the sum is 59.

The square root of 4618819949 is about 67961.9007165044. The cubic root of 4618819949 is about 1665.3684941024.

The spelling of 4618819949 in words is "four billion, six hundred eighteen million, eight hundred nineteen thousand, nine hundred forty-nine".