4430240321993 has 2 divisors, whose sum is σ = 4430240321994. Its totient is φ = 4430240321992.

The previous prime is 4430240321987. The next prime is 4430240322049. The reversal of 4430240321993 is 3991230420344.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2924691689929 + 1505548632064 = 1710173^2 + 1227008^2 .

It is a cyclic number.

It is not a de Polignac number, because 4430240321993 - 2²⁴ = 4430223544777 is a prime.

It is a super-2 number, since 2×4430240321993² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4430240321933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2215120160996 + 2215120160997.

It is an arithmetic number, because the mean of its divisors is an integer number (2215120160997).

Almost surely, 2^{4430240321993} is an apocalyptic number.

It is an amenable number.

4430240321993 is a deficient number, since it is larger than the sum of its proper divisors (1).

4430240321993 is an equidigital number, since it uses as much as digits as its factorization.

4430240321993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 559872, while the sum is 44.

The spelling of 4430240321993 in words is "four trillion, four hundred thirty billion, two hundred forty million, three hundred twenty-one thousand, nine hundred ninety-three".