4243406879 has 2 divisors, whose sum is σ = 4243406880. Its totient is φ = 4243406878.

The previous prime is 4243406851. The next prime is 4243406917. The reversal of 4243406879 is 9786043424.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4243406879 - 2¹² = 4243402783 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4243406579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2121703439 + 2121703440.

It is an arithmetic number, because the mean of its divisors is an integer number (2121703440).

Almost surely, 2^4243406879 is an apocalyptic number.

4243406879 is a deficient number, since it is larger than the sum of its proper divisors (1).

4243406879 is an equidigital number, since it uses as much as digits as its factorization.

4243406879 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1161216, while the sum is 47.

The square root of 4243406879 is about 65141.4374956525. The cubic root of 4243406879 is about 1618.9678533012.

The spelling of 4243406879 in words is "four billion, two hundred forty-three million, four hundred six thousand, eight hundred seventy-nine".