3781134668 has 6 divisors (see below), whose sum is σ = 6616985676. Its totient is φ = 1890567332.

The previous prime is 3781134667. The next prime is 3781134689. The reversal of 3781134668 is 8664311873.

3781134668 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (3781134667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 472641830 + ... + 472641837.

It is an arithmetic number, because the mean of its divisors is an integer number (1102830946).

Almost surely, 2^3781134668 is an apocalyptic number.

It is an amenable number.

3781134668 is a deficient number, since it is larger than the sum of its proper divisors (2835851008).

3781134668 is a wasteful number, since it uses less digits than its factorization.

3781134668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 945283671 (or 945283669 counting only the distinct ones).

The product of its digits is 580608, while the sum is 47.

The square root of 3781134668 is about 61490.9315915770. The cubic root of 3781134668 is about 1557.9040815467.

The spelling of 3781134668 in words is "three billion, seven hundred eighty-one million, one hundred thirty-four thousand, six hundred sixty-eight".