4260378091 has 2 divisors, whose sum is σ = 4260378092. Its totient is φ = 4260378090.

The previous prime is 4260378079. The next prime is 4260378137. The reversal of 4260378091 is 1908730624.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4260378091 - 2⁷ = 4260377963 is a prime.

It is not a weakly prime, because it can be changed into another prime (4260378191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2130189045 + 2130189046.

It is an arithmetic number, because the mean of its divisors is an integer number (2130189046).

Almost surely, 2^4260378091 is an apocalyptic number.

4260378091 is a deficient number, since it is larger than the sum of its proper divisors (1).

4260378091 is an equidigital number, since it uses as much as digits as its factorization.

4260378091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 4260378091 is about 65271.5718441038. The cubic root of 4260378091 is about 1621.1232989423.

The spelling of 4260378091 in words is "four billion, two hundred sixty million, three hundred seventy-eight thousand, ninety-one".