6809720426134 has 16 divisors (see below), whose sum is σ = 10217079680256. Its totient is φ = 3404027305000.

The previous prime is 6809720426099. The next prime is 6809720426137. The reversal of 6809720426134 is 4316240279086.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6809720426137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 280789509 + ... + 280813759.

It is an arithmetic number, because the mean of its divisors is an integer number (638567480016).

Almost surely, 2^{6809720426134} is an apocalyptic number.

6809720426134 is a deficient number, since it is larger than the sum of its proper divisors (3407359254122).

6809720426134 is a wasteful number, since it uses less digits than its factorization.

6809720426134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52811.

The product of its (nonzero) digits is 3483648, while the sum is 52.

The spelling of 6809720426134 in words is "six trillion, eight hundred nine billion, seven hundred twenty million, four hundred twenty-six thousand, one hundred thirty-four".