3783642656 has 12 divisors (see below), whose sum is σ = 7449046542. Its totient is φ = 1891821312.

The previous prime is 3783642641. The next prime is 3783642661. The reversal of 3783642656 is 6562463873.

It can be written as a sum of positive squares in only one way, i.e., 3616819600 + 166823056 = 60140^2 + 12916^2 .

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 as a sum of consecutive naturals, namely, 59119385 + ... + 59119448.

Almost surely, 2^3783642656 is an apocalyptic number.

It is an amenable number.

3783642656 is a deficient number, since it is larger than the sum of its proper divisors (3665403886).

3783642656 is a wasteful number, since it uses less digits than its factorization.

3783642656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118238843 (or 118238835 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 50.

The square root of 3783642656 is about 61511.3213644448. The cubic root of 3783642656 is about 1558.2484527062.

The spelling of 3783642656 in words is "three billion, seven hundred eighty-three million, six hundred forty-two thousand, six hundred fifty-six".