4230354721 has 2 divisors, whose sum is σ = 4230354722. Its totient is φ = 4230354720.

The previous prime is 4230354701. The next prime is 4230354743. The reversal of 4230354721 is 1274530324.

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., 2737382400 + 1492972321 = 52320^2 + 38639^2 .

It is a cyclic number.

It is not a de Polignac number, because 4230354721 - 2¹³ = 4230346529 is a prime.

It is not a weakly prime, because it can be changed into another prime (4230354701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2115177360 + 2115177361.

It is an arithmetic number, because the mean of its divisors is an integer number (2115177361).

Almost surely, 2^4230354721 is an apocalyptic number.

It is an amenable number.

4230354721 is a deficient number, since it is larger than the sum of its proper divisors (1).

4230354721 is an equidigital number, since it uses as much as digits as its factorization.

4230354721 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20160, while the sum is 31.

The square root of 4230354721 is about 65041.1771188068. The cubic root of 4230354721 is about 1617.3062382098.

The spelling of 4230354721 in words is "four billion, two hundred thirty million, three hundred fifty-four thousand, seven hundred twenty-one".