4430230400521 has 2 divisors, whose sum is σ = 4430230400522. Its totient is φ = 4430230400520.

The previous prime is 4430230400513. The next prime is 4430230400537. The reversal of 4430230400521 is 1250040320344.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4371925537225 + 58304863296 = 2090915^2 + 241464^2 .

It is a cyclic number.

It is not a de Polignac number, because 4430230400521 - 2³ = 4430230400513 is a prime.

It is a super-4 number, since 4×4430230400521⁴ (a number of 52 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4430230400521.

It is not a weakly prime, because it can be changed into another prime (4430230400551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2215115200260 + 2215115200261.

It is an arithmetic number, because the mean of its divisors is an integer number (2215115200261).

Almost surely, 2^{4430230400521} is an apocalyptic number.

It is an amenable number.

4430230400521 is a deficient number, since it is larger than the sum of its proper divisors (1).

4430230400521 is an equidigital number, since it uses as much as digits as its factorization.

4430230400521 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11520, while the sum is 28.

Adding to 4430230400521 its reverse (1250040320344), we get a palindrome (5680270720865).

The spelling of 4430230400521 in words is "four trillion, four hundred thirty billion, two hundred thirty million, four hundred thousand, five hundred twenty-one".