4368368321 has 2 divisors, whose sum is σ = 4368368322. Its totient is φ = 4368368320.

The previous prime is 4368368287. The next prime is 4368368341. The reversal of 4368368321 is 1238638634.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4236577921 + 131790400 = 65089^2 + 11480^2 .

It is a cyclic number.

It is not a de Polignac number, because 4368368321 - 2¹⁴ = 4368351937 is a prime.

It is not a weakly prime, because it can be changed into another prime (4368368341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2184184160 + 2184184161.

It is an arithmetic number, because the mean of its divisors is an integer number (2184184161).

Almost surely, 2^4368368321 is an apocalyptic number.

It is an amenable number.

4368368321 is a deficient number, since it is larger than the sum of its proper divisors (1).

4368368321 is an equidigital number, since it uses as much as digits as its factorization.

4368368321 is an evil number, because the sum of its binary digits is even.

The product of its digits is 497664, while the sum is 44.

The square root of 4368368321 is about 66093.6329838208. The cubic root of 4368368321 is about 1634.7063500785.

The spelling of 4368368321 in words is "four billion, three hundred sixty-eight million, three hundred sixty-eight thousand, three hundred twenty-one".