4242466391 has 2 divisors, whose sum is σ = 4242466392. Its totient is φ = 4242466390.

The previous prime is 4242466379. The next prime is 4242466427. The reversal of 4242466391 is 1936642424.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4242466391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4242463391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2121233195 + 2121233196.

It is an arithmetic number, because the mean of its divisors is an integer number (2121233196).

Almost surely, 2^4242466391 is an apocalyptic number.

4242466391 is a deficient number, since it is larger than the sum of its proper divisors (1).

4242466391 is an equidigital number, since it uses as much as digits as its factorization.

4242466391 is an evil number, because the sum of its binary digits is even.

The product of its digits is 248832, while the sum is 41.

The square root of 4242466391 is about 65134.2182804093. The cubic root of 4242466391 is about 1618.8482377514.

The spelling of 4242466391 in words is "four billion, two hundred forty-two million, four hundred sixty-six thousand, three hundred ninety-one".