3783073649 has 16 divisors (see below), whose sum is σ = 4063215744. Its totient is φ = 3513417600.

The previous prime is 3783073643. The next prime is 3783073669. The reversal of 3783073649 is 9463703873.

It is a cyclic number.

It is not a de Polignac number, because 3783073649 - 2⁴ = 3783073633 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3783073597 and 3783073606.

It is not an unprimeable number, because it can be changed into a prime (3783073643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 189467 + ... + 208479.

It is an arithmetic number, because the mean of its divisors is an integer number (253950984).

Almost surely, 2^3783073649 is an apocalyptic number.

It is an amenable number.

3783073649 is a deficient number, since it is larger than the sum of its proper divisors (280142095).

3783073649 is a wasteful number, since it uses less digits than its factorization.

3783073649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19288.

The product of its (nonzero) digits is 2286144, while the sum is 50.

The square root of 3783073649 is about 61506.6959688130. The cubic root of 3783073649 is about 1558.1703358571.

The spelling of 3783073649 in words is "three billion, seven hundred eighty-three million, seventy-three thousand, six hundred forty-nine".