4243012457 has 2 divisors, whose sum is σ = 4243012458. Its totient is φ = 4243012456.

The previous prime is 4243012427. The next prime is 4243012463. The reversal of 4243012457 is 7542103424.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4228120576 + 14891881 = 65024^2 + 3859^2 .

It is a cyclic number.

It is not a de Polignac number, because 4243012457 - 2⁶ = 4243012393 is a prime.

It is not a weakly prime, because it can be changed into another prime (4243012427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2121506228 + 2121506229.

It is an arithmetic number, because the mean of its divisors is an integer number (2121506229).

Almost surely, 2^4243012457 is an apocalyptic number.

It is an amenable number.

4243012457 is a deficient number, since it is larger than the sum of its proper divisors (1).

4243012457 is an equidigital number, since it uses as much as digits as its factorization.

4243012457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26880, while the sum is 32.

The square root of 4243012457 is about 65138.4099974815. The cubic root of 4243012457 is about 1618.9176910658.

The spelling of 4243012457 in words is "four billion, two hundred forty-three million, twelve thousand, four hundred fifty-seven".