4242321493 has 2 divisors, whose sum is σ = 4242321494. Its totient is φ = 4242321492.

The previous prime is 4242321431. The next prime is 4242321547. The reversal of 4242321493 is 3941232424.

4242321493 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4232543364 + 9778129 = 65058^2 + 3127^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4242321493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4242391493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2121160746 + 2121160747.

It is an arithmetic number, because the mean of its divisors is an integer number (2121160747).

Almost surely, 2^4242321493 is an apocalyptic number.

It is an amenable number.

4242321493 is a deficient number, since it is larger than the sum of its proper divisors (1).

4242321493 is an equidigital number, since it uses as much as digits as its factorization.

4242321493 is an evil number, because the sum of its binary digits is even.

The product of its digits is 41472, while the sum is 34.

The square root of 4242321493 is about 65133.1059677028. The cubic root of 4242321493 is about 1618.8298073919.

The spelling of 4242321493 in words is "four billion, two hundred forty-two million, three hundred twenty-one thousand, four hundred ninety-three".