3331644949 has 2 divisors, whose sum is σ = 3331644950. Its totient is φ = 3331644948.

The previous prime is 3331644941. The next prime is 3331644977. The reversal of 3331644949 is 9494461333.

3331644949 is digitally balanced in base 2, 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., 1895992849 + 1435652100 = 43543^2 + 37890^2 .

It is a cyclic number.

It is not a de Polignac number, because 3331644949 - 2³ = 3331644941 is a prime.

It is a super-2 number, since 2×3331644949² = 22199716132394425202, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3331644899 and 3331644908.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3331644941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1665822474 + 1665822475.

It is an arithmetic number, because the mean of its divisors is an integer number (1665822475).

Almost surely, 2^3331644949 is an apocalyptic number.

It is an amenable number.

3331644949 is a deficient number, since it is larger than the sum of its proper divisors (1).

3331644949 is an equidigital number, since it uses as much as digits as its factorization.

3331644949 is an evil number, because the sum of its binary digits is even.

The product of its digits is 839808, while the sum is 46.

The square root of 3331644949 is about 57720.4032297073. The cubic root of 3331644949 is about 1493.5493284720.

The spelling of 3331644949 in words is "three billion, three hundred thirty-one million, six hundred forty-four thousand, nine hundred forty-nine".