5065605909149 has 4 divisors (see below), whose sum is σ = 5065683867036. Its totient is φ = 5065527951264.

The previous prime is 5065605909131. The next prime is 5065605909233. The reversal of 5065605909149 is 9419095065605.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4951706409049 + 113899500100 = 2225243^2 + 337490^2 .

It is a cyclic number.

It is not a de Polignac number, because 5065605909149 - 2³⁶ = 4996886432413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5065605909449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38881394 + ... + 39011459.

It is an arithmetic number, because the mean of its divisors is an integer number (1266420966759).

Almost surely, 2^{5065605909149} is an apocalyptic number.

It is an amenable number.

5065605909149 is a deficient number, since it is larger than the sum of its proper divisors (77957887).

5065605909149 is an equidigital number, since it uses as much as digits as its factorization.

5065605909149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77957886.

The product of its (nonzero) digits is 13122000, while the sum is 59.

The spelling of 5065605909149 in words is "five trillion, sixty-five billion, six hundred five million, nine hundred nine thousand, one hundred forty-nine".