4212542779 has 2 divisors, whose sum is σ = 4212542780. Its totient is φ = 4212542778.

The previous prime is 4212542753. The next prime is 4212542881. The reversal of 4212542779 is 9772452124.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4212542779 - 2¹³ = 4212534587 is a prime.

It is not a weakly prime, because it can be changed into another prime (4212342779) 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, 2106271389 + 2106271390.

It is an arithmetic number, because the mean of its divisors is an integer number (2106271390).

Almost surely, 2^4212542779 is an apocalyptic number.

4212542779 is a deficient number, since it is larger than the sum of its proper divisors (1).

4212542779 is an equidigital number, since it uses as much as digits as its factorization.

4212542779 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 282240, while the sum is 43.

The square root of 4212542779 is about 64904.1044850016. The cubic root of 4212542779 is about 1615.0331513673.

The spelling of 4212542779 in words is "four billion, two hundred twelve million, five hundred forty-two thousand, seven hundred seventy-nine".