4149489668 has 12 divisors (see below), whose sum is σ = 7336469532. Its totient is φ = 2053355520.

The previous prime is 4149489623. The next prime is 4149489683. The reversal of 4149489668 is 8669849414.

It can be written as a sum of positive squares in 2 ways, for example, as 3154844224 + 994645444 = 56168^2 + 31538^2 .

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 5346893 + ... + 5347668.

It is an arithmetic number, because the mean of its divisors is an integer number (611372461).

Almost surely, 2^4149489668 is an apocalyptic number.

It is an amenable number.

4149489668 is a deficient number, since it is larger than the sum of its proper divisors (3186979864).

4149489668 is a wasteful number, since it uses less digits than its factorization.

4149489668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10694662 (or 10694660 counting only the distinct ones).

The product of its digits is 11943936, while the sum is 59.

The square root of 4149489668 is about 64416.5325673464. The cubic root of 4149489668 is about 1606.9347008006.

The spelling of 4149489668 in words is "four billion, one hundred forty-nine million, four hundred eighty-nine thousand, six hundred sixty-eight".