3783603945 has 16 divisors (see below), whose sum is σ = 6604108992. Its totient is φ = 1834474560.

The previous prime is 3783603911. The next prime is 3783603947. The reversal of 3783603945 is 5493063873.

3783603945 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3783603945 - 2²⁹ = 3246733033 is a prime.

It is a super-3 number, since 3×3783603945³ (a number of 30 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3783603894 and 3783603903.

It is not an unprimeable number, because it can be changed into a prime (3783603947) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11465302 + ... + 11465631.

It is an arithmetic number, because the mean of its divisors is an integer number (412756812).

Almost surely, 2^3783603945 is an apocalyptic number.

It is an amenable number.

3783603945 is a deficient number, since it is larger than the sum of its proper divisors (2820505047).

3783603945 is a wasteful number, since it uses less digits than its factorization.

3783603945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22930952.

The product of its (nonzero) digits is 1632960, while the sum is 48.

The square root of 3783603945 is about 61511.0066979886. The cubic root of 3783603945 is about 1558.2431384657.

The spelling of 3783603945 in words is "three billion, seven hundred eighty-three million, six hundred three thousand, nine hundred forty-five".