4243012427 has 2 divisors, whose sum is σ = 4243012428. Its totient is φ = 4243012426.

The previous prime is 4243012421. The next prime is 4243012457. The reversal of 4243012427 is 7242103424.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4243012427 - 2⁶ = 4243012363 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4243012427.

It is not a weakly prime, because it can be changed into another prime (4243012421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2121506213 + 2121506214.

It is an arithmetic number, because the mean of its divisors is an integer number (2121506214).

Almost surely, 2^4243012427 is an apocalyptic number.

4243012427 is a deficient number, since it is larger than the sum of its proper divisors (1).

4243012427 is an equidigital number, since it uses as much as digits as its factorization.

4243012427 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10752, while the sum is 29.

The square root of 4243012427 is about 65138.4097672026. The cubic root of 4243012427 is about 1618.9176872504.

The spelling of 4243012427 in words is "four billion, two hundred forty-three million, twelve thousand, four hundred twenty-seven".