6809019509427 has 32 divisors (see below), whose sum is σ = 9115544770560. Its totient is φ = 4520965868160.

The previous prime is 6809019509399. The next prime is 6809019509459. The reversal of 6809019509427 is 7249059109086.

It is not a de Polignac number, because 6809019509427 - 2¹¹ = 6809019507379 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6809019509497) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3409623193 + ... + 3409625189.

It is an arithmetic number, because the mean of its divisors is an integer number (284860774080).

Almost surely, 2^{6809019509427} is an apocalyptic number.

6809019509427 is a deficient number, since it is larger than the sum of its proper divisors (2306525261133).

6809019509427 is a wasteful number, since it uses less digits than its factorization.

6809019509427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5683.

The product of its (nonzero) digits is 9797760, while the sum is 60.

The spelling of 6809019509427 in words is "six trillion, eight hundred nine billion, nineteen million, five hundred nine thousand, four hundred twenty-seven".