2620406843 has 8 divisors (see below), whose sum is σ = 2864050560. Its totient is φ = 2386707840.

The previous prime is 2620406819. The next prime is 2620406849. The reversal of 2620406843 is 3486040262.

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

It is a cyclic number.

It is not a de Polignac number, because 2620406843 - 2⁶ = 2620406779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2620406849) 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, 2485628 + ... + 2486681.

It is an arithmetic number, because the mean of its divisors is an integer number (358006320).

Almost surely, 2^2620406843 is an apocalyptic number.

2620406843 is a deficient number, since it is larger than the sum of its proper divisors (243643717).

2620406843 is a wasteful number, since it uses less digits than its factorization.

2620406843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4972357.

The product of its (nonzero) digits is 55296, while the sum is 35.

The square root of 2620406843 is about 51189.9095818697. The cubic root of 2620406843 is about 1378.6570361123.

The spelling of 2620406843 in words is "two billion, six hundred twenty million, four hundred six thousand, eight hundred forty-three".