4321440500129 has 2 divisors, whose sum is σ = 4321440500130. Its totient is φ = 4321440500128.

The previous prime is 4321440500119. The next prime is 4321440500149. The reversal of 4321440500129 is 9210050441234.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2489878864225 + 1831561635904 = 1577935^2 + 1353352^2 .

It is a cyclic number.

It is not a de Polignac number, because 4321440500129 - 2³⁶ = 4252721023393 is a prime.

It is a super-3 number, since 3×4321440500129³ (a number of 39 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (4321440500119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2160720250064 + 2160720250065.

It is an arithmetic number, because the mean of its divisors is an integer number (2160720250065).

Almost surely, 2^{4321440500129} is an apocalyptic number.

It is an amenable number.

4321440500129 is a deficient number, since it is larger than the sum of its proper divisors (1).

4321440500129 is an equidigital number, since it uses as much as digits as its factorization.

4321440500129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34560, while the sum is 35.

The spelling of 4321440500129 in words is "four trillion, three hundred twenty-one billion, four hundred forty million, five hundred thousand, one hundred twenty-nine".