2620842422809 has 8 divisors (see below), whose sum is σ = 2830972716992. Its totient is φ = 2411930275920.

The previous prime is 2620842422789. The next prime is 2620842422819. The reversal of 2620842422809 is 9082242480262.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2620842422809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2620842422819) 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, 304532349 + ... + 304540954.

It is an arithmetic number, because the mean of its divisors is an integer number (353871589624).

Almost surely, 2^{2620842422809} is an apocalyptic number.

It is an amenable number.

2620842422809 is a deficient number, since it is larger than the sum of its proper divisors (210130294183).

2620842422809 is a wasteful number, since it uses less digits than its factorization.

2620842422809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 609073647.

The product of its (nonzero) digits is 1769472, while the sum is 49.

The spelling of 2620842422809 in words is "two trillion, six hundred twenty billion, eight hundred forty-two million, four hundred twenty-two thousand, eight hundred nine".