5865220711609 has 4 divisors (see below), whose sum is σ = 6703109384704. Its totient is φ = 5027332038516.

The previous prime is 5865220711601. The next prime is 5865220711639. The reversal of 5865220711609 is 9061170225685.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5865220711609 - 2³ = 5865220711601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5865220711601) 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, 418944336537 + ... + 418944336550.

It is an arithmetic number, because the mean of its divisors is an integer number (1675777346176).

Almost surely, 2^{5865220711609} is an apocalyptic number.

It is an amenable number.

5865220711609 is a deficient number, since it is larger than the sum of its proper divisors (837888673095).

5865220711609 is an equidigital number, since it uses as much as digits as its factorization.

5865220711609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 837888673094.

The product of its (nonzero) digits is 1814400, while the sum is 52.

The spelling of 5865220711609 in words is "five trillion, eight hundred sixty-five billion, two hundred twenty million, seven hundred eleven thousand, six hundred nine".