5495166025409 has 2 divisors, whose sum is σ = 5495166025410. Its totient is φ = 5495166025408.

The previous prime is 5495166025403. The next prime is 5495166025417. The reversal of 5495166025409 is 9045206615945.

5495166025409 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3988520248384 + 1506645777025 = 1997128^2 + 1227455^2 .

It is a cyclic number.

It is not a de Polignac number, because 5495166025409 - 2¹⁶ = 5495165959873 is a prime.

It is not a weakly prime, because it can be changed into another prime (5495166025403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2747583012704 + 2747583012705.

It is an arithmetic number, because the mean of its divisors is an integer number (2747583012705).

Almost surely, 2^{5495166025409} is an apocalyptic number.

It is an amenable number.

5495166025409 is a deficient number, since it is larger than the sum of its proper divisors (1).

5495166025409 is an equidigital number, since it uses as much as digits as its factorization.

5495166025409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664000, while the sum is 56.

The spelling of 5495166025409 in words is "five trillion, four hundred ninety-five billion, one hundred sixty-six million, twenty-five thousand, four hundred nine".