4246312321 has 2 divisors, whose sum is σ = 4246312322. Its totient is φ = 4246312320.

The previous prime is 4246312267. The next prime is 4246312349. The reversal of 4246312321 is 1232136424.

It is a happy number.

4246312321 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (4246312349) can be obtained adding 4246312321 to its sum of digits (28).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4236577921 + 9734400 = 65089^2 + 3120^2 .

It is a cyclic number.

It is not a de Polignac number, because 4246312321 - 2¹⁵ = 4246279553 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4246312321.

It is not a weakly prime, because it can be changed into another prime (4246312391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2123156160 + 2123156161.

It is an arithmetic number, because the mean of its divisors is an integer number (2123156161).

Almost surely, 2^4246312321 is an apocalyptic number.

It is an amenable number.

4246312321 is a deficient number, since it is larger than the sum of its proper divisors (1).

4246312321 is an equidigital number, since it uses as much as digits as its factorization.

4246312321 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6912, while the sum is 28.

The square root of 4246312321 is about 65163.7347072741. The cubic root of 4246312321 is about 1619.3372690544.

Adding to 4246312321 its reverse (1232136424), we get a palindrome (5478448745).

The spelling of 4246312321 in words is "four billion, two hundred forty-six million, three hundred twelve thousand, three hundred twenty-one".