2127664043 has 2 divisors, whose sum is σ = 2127664044. Its totient is φ = 2127664042.

The previous prime is 2127664039. The next prime is 2127664051. The reversal of 2127664043 is 3404667212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2127664043 - 2² = 2127664039 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2127663994 and 2127664012.

It is not a weakly prime, because it can be changed into another prime (2127664073) 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, 1063832021 + 1063832022.

It is an arithmetic number, because the mean of its divisors is an integer number (1063832022).

Almost surely, 2^2127664043 is an apocalyptic number.

2127664043 is a deficient number, since it is larger than the sum of its proper divisors (1).

2127664043 is an equidigital number, since it uses as much as digits as its factorization.

2127664043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48384, while the sum is 35.

The square root of 2127664043 is about 46126.6088391505. The cubic root of 2127664043 is about 1286.1778262446.

The spelling of 2127664043 in words is "two billion, one hundred twenty-seven million, six hundred sixty-four thousand, forty-three".