4894774949 has 2 divisors, whose sum is σ = 4894774950. Its totient is φ = 4894774948.

The previous prime is 4894774943. The next prime is 4894774991. The reversal of 4894774949 is 9494774984.

It is a happy number.

4894774949 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., 4851122500 + 43652449 = 69650^2 + 6607^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4894774949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4894774943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2447387474 + 2447387475.

It is an arithmetic number, because the mean of its divisors is an integer number (2447387475).

Almost surely, 2^4894774949 is an apocalyptic number.

It is an amenable number.

4894774949 is a deficient number, since it is larger than the sum of its proper divisors (1).

4894774949 is an equidigital number, since it uses as much as digits as its factorization.

4894774949 is an evil number, because the sum of its binary digits is even.

The product of its digits is 73156608, while the sum is 65.

The square root of 4894774949 is about 69962.6682524330. The cubic root of 4894774949 is about 1697.8953133591.

The spelling of 4894774949 in words is "four billion, eight hundred ninety-four million, seven hundred seventy-four thousand, nine hundred forty-nine".