3781955923 has 2 divisors, whose sum is σ = 3781955924. Its totient is φ = 3781955922.

The previous prime is 3781955899. The next prime is 3781955929. The reversal of 3781955923 is 3295591873.

3781955923 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3781955923 is a prime.

It is not a weakly prime, because it can be changed into another prime (3781955929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1890977961 + 1890977962.

It is an arithmetic number, because the mean of its divisors is an integer number (1890977962).

Almost surely, 2^3781955923 is an apocalyptic number.

3781955923 is a deficient number, since it is larger than the sum of its proper divisors (1).

3781955923 is an equidigital number, since it uses as much as digits as its factorization.

3781955923 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2041200, while the sum is 52.

The square root of 3781955923 is about 61497.6090836058. The cubic root of 3781955923 is about 1558.0168646140.

The spelling of 3781955923 in words is "three billion, seven hundred eighty-one million, nine hundred fifty-five thousand, nine hundred twenty-three".