4321440500149 has 2 divisors, whose sum is σ = 4321440500150. Its totient is φ = 4321440500148.

The previous prime is 4321440500129. The next prime is 4321440500191. The reversal of 4321440500149 is 9410050441234.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2183464299025 + 2137976201124 = 1477655^2 + 1462182^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4321440500149 is a prime.

It is a super-3 number, since 3×4321440500149³ (a number of 39 digits) contains 333 as substring.

It is a congruent number.

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, 2160720250074 + 2160720250075.

It is an arithmetic number, because the mean of its divisors is an integer number (2160720250075).

Almost surely, 2^{4321440500149} is an apocalyptic number.

It is an amenable number.

4321440500149 is a deficient number, since it is larger than the sum of its proper divisors (1).

4321440500149 is an equidigital number, since it uses as much as digits as its factorization.

4321440500149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69120, while the sum is 37.

The spelling of 4321440500149 in words is "four trillion, three hundred twenty-one billion, four hundred forty million, five hundred thousand, one hundred forty-nine".