7127345486809 has 4 divisors (see below), whose sum is σ = 7437230073216. Its totient is φ = 6817460900404.

The previous prime is 7127345486803. The next prime is 7127345486827. The reversal of 7127345486809 is 9086845437217.

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 7127345486809 - 2⁵ = 7127345486777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7127345486803) 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, 154942293169 + ... + 154942293214.

It is an arithmetic number, because the mean of its divisors is an integer number (1859307518304).

It is a 2-persistent number, because it is pandigital, and so is 2⋅7127345486809 = 14254690973618, but 3⋅7127345486809 = 21382036460427 is not.

Almost surely, 2^{7127345486809} is an apocalyptic number.

It is an amenable number.

7127345486809 is a deficient number, since it is larger than the sum of its proper divisors (309884586407).

7127345486809 is a wasteful number, since it uses less digits than its factorization.

7127345486809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309884586406.

The product of its (nonzero) digits is 81285120, while the sum is 64.

The spelling of 7127345486809 in words is "seven trillion, one hundred twenty-seven billion, three hundred forty-five million, four hundred eighty-six thousand, eight hundred nine".