3783630381 has 16 divisors (see below), whose sum is σ = 5364537984. Its totient is φ = 2363846144.

The previous prime is 3783630349. The next prime is 3783630401. The reversal of 3783630381 is 1830363873.

3783630381 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 3783630381 - 2⁵ = 3783630349 is a prime.

It is a super-2 number, since 2×3783630381² = 28631717720052410322, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3783630311) 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, 147321 + ... + 171086.

It is an arithmetic number, because the mean of its divisors is an integer number (335283624).

Almost surely, 2^3783630381 is an apocalyptic number.

It is an amenable number.

3783630381 is a deficient number, since it is larger than the sum of its proper divisors (1580907603).

3783630381 is a wasteful number, since it uses less digits than its factorization.

3783630381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318660.

The product of its (nonzero) digits is 217728, while the sum is 42.

The square root of 3783630381 is about 61511.2215859838. The cubic root of 3783630381 is about 1558.2467675999.

The spelling of 3783630381 in words is "three billion, seven hundred eighty-three million, six hundred thirty thousand, three hundred eighty-one".