4281729346789 has 2 divisors, whose sum is σ = 4281729346790. Its totient is φ = 4281729346788.

The previous prime is 4281729346723. The next prime is 4281729346859. The reversal of 4281729346789 is 9876439271824.

It is an a-pointer prime, because the next prime (4281729346859) can be obtained adding 4281729346789 to its sum of digits (70).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3967167650625 + 314561696164 = 1991775^2 + 560858^2 .

It is a cyclic number.

It is not a de Polignac number, because 4281729346789 - 2¹³ = 4281729338597 is a prime.

It is a super-2 number, since 2×4281729346789² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4281729346709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2140864673394 + 2140864673395.

It is an arithmetic number, because the mean of its divisors is an integer number (2140864673395).

Almost surely, 2^{4281729346789} is an apocalyptic number.

It is an amenable number.

4281729346789 is a deficient number, since it is larger than the sum of its proper divisors (1).

4281729346789 is an equidigital number, since it uses as much as digits as its factorization.

4281729346789 is an evil number, because the sum of its binary digits is even.

The product of its digits is 292626432, while the sum is 70.

The spelling of 4281729346789 in words is "four trillion, two hundred eighty-one billion, seven hundred twenty-nine million, three hundred forty-six thousand, seven hundred eighty-nine".