3840229091 has 2 divisors, whose sum is σ = 3840229092. Its totient is φ = 3840229090.

The previous prime is 3840229069. The next prime is 3840229117. The reversal of 3840229091 is 1909220483.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3840229091 - 2⁶ = 3840229027 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (3840229051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1920114545 + 1920114546.

It is an arithmetic number, because the mean of its divisors is an integer number (1920114546).

Almost surely, 2^3840229091 is an apocalyptic number.

3840229091 is a deficient number, since it is larger than the sum of its proper divisors (1).

3840229091 is an equidigital number, since it uses as much as digits as its factorization.

3840229091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 3840229091 is about 61969.5819818078. The cubic root of 3840229091 is about 1565.9781968532.

The spelling of 3840229091 in words is "three billion, eight hundred forty million, two hundred twenty-nine thousand, ninety-one".